Meaning Virus
What does Virus mean? Here you find 396 meanings of the word Virus. You can also add a definition of Virus yourself

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Virus


A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with errors (mutations); this ability to mutate is responsible for the ability of some viruses to chan [..]
Source: medicinenet.com (offline)

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A virus that has been weakened. A vaccine against a viral disease can be made from an attenuated, less virulent strain of the virus: a virus that is capable of stimulating an immune response and creating immunity but not of causing illness.
Source: medicinenet.com (offline)

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Virus


See: Coxsackievirus.
Source: medicinenet.com (offline)

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See Ebola virus.
Source: medicinenet.com (offline)

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The cause of AIDS. HIV has also been called the human lymphotropic virus type III, the lymphadenopathy-associated virus and the lymphadenopathy virus. No matter what name is applied, it is a retrovirus. (A retrovirus has an RNA genome and a reverse transcriptase enzyme. Using the reverse transcriptase, the virus uses its RNA as a template for makin [..]
Source: medicinenet.com (offline)

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See: Human papillomavirus.
Source: medicinenet.com (offline)

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JC virus.
Source: medicinenet.com (offline)

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Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human immunodeficiency.
Source: medicinenet.com (offline)

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See: Marburg virus.
Source: medicinenet.com (offline)

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See: Negative-strand RNA virus.
Source: medicinenet.com (offline)

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A virus that infects pigs and people in whom it causes a sometimes fatal form of viral encephalitis (brain inflammation). Nipah is the name of the first village the virus struck near Kuala Lumpur in Malaysia. The Nipah virus is similar to Hendra virus that was discovered in Australia in 1994. Nipah virus caused a severe outbreak of viral encephalit [..]
Source: medicinenet.com (offline)

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See: Positive-strand RNA virus.
Source: medicinenet.com (offline)

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See: Orthopox.
Source: medicinenet.com (offline)

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See Respiratory syncytial virus.
Source: medicinenet.com (offline)

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A virus that can grow in the cells of a species foreign to the normal host species, a species different from that which normally hosts it. Xeno- means foreign while -tropic refers to growth. So xeno- + -tropic = capable of growing in a foreign environment.
Source: medicinenet.com (offline)

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In medicine, a very simple microorganism that infects cells and may cause disease. Because viruses can multiply only inside infected cells, they are not considered to be alive.
Source: cancer.gov

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Is a fragment of DNA or RNA that depends on the infection of host cells for their reproduction. They are not cells. Viruses are thought to parts of the genetic code found in either eukaryote or prokar [..]
Source: physicalgeography.net

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[L. slimy, liquid, poison] A submicroscopic, noncellular particle composed of a nucleic acid core and a protein coat (capsid); parasitic; reproduces only within a host cell.
Source: phschool.com

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A computer program which can copy itself and spread from one computer to another, adversely affecting the way that computer operates.
Source: bbc.co.uk

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A program with the ability to reproduce by modifying other programs to include a copy of itself. Scope Notes: A virus may contain destructive code that can move into multiple programs, data files or d [..]
Source: isaca.org

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Ultra-microscopic bundle of genetic material capable of multiplying only in living cells.  Viruses cause a wide range of diseases in plants, animals, and humans, such as rabies and measles.
Source: beefusa.org (offline)

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A hidden, self-replicating section of computer software, usually malicious logic, that propagates by infecting - i.e., inserting a copy of itself into and becoming part of - another program. A virus c [..]
Source: sans.org

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A computer program with a hidden code, designed to infect a computer without the owners knowledge, and which causes harm to the computer or destroys data, etc.
Source: businessballs.com

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A microorganism consisting of a nucleic acid (either DNA or RNA) core and a protein coat. A virus requires a host cell to reproduce. It reproduces by infecting a host cell and taking over the nucleic acid of that host cell, making more virus nucleic acid and protein.
Source: labtestsonline.org (offline)

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late 14c., "venomous substance," from Latin virus "poison, sap of plants, slimy liquid, a potent juice," probably from PIE root *weis- "to melt away, to flow," used of fo [..]
Source: etymonline.com

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An unauthorized piece of computer code attached to a computer program or portions of a computer system that secretly copies itself from one computer to another by shared discs and over telephone and cable lines. It can destroy information stored on the computer, and in extreme cases, can destroy operability. Computers can be protected from viruses [..]
Source: tutorialspoint.com (offline)

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These are programs that can be downloaded onto your computer or network from the Internet. Some are harmless, others are programmed to destroy your system, trash your files and disable your software. No kidding. So be careful. Use anti-virus programs. They take a few extra minutes every day to use, but the protection is worth it. Source: Lazworld
Source: ama.org (offline)

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A computer program that replicates itself to infect computers.  Viruses are typically spread from one computer to another through executable code in an infected file
Source: idology.com

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A program intended to alter data on a computer in an invisible fashion, usually for mischievous or destructive purposes. Viruses are often transferred across the Internet as well as by infected disket [..]
Source: dataprise.com

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Organism composed mainly of nucleic acid within a protein coat. When viruses enter a living plant, animal, or bacterial cell, they make use of the host cell's chemical energy, protein, and nuclei [..]
Source: hiv.va.gov

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tiny organism that lives and multiplies in a living cell.
Source: nationalgeographic.org

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A virus is an infectious agent that occupies a place near the boundary between the living and the nonliving. It is a particle much smaller than a bacterial cell, consisting of a small genome of either DNA or RNA surrounded by a protein coat. Viruses enter host cells and hijack the enzymes and materials of the host cells to make more copies of thems [..]
Source: genome.gov (offline)

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An infectious particle composed of a protein capsule and a nucleic acid core, which is dependent on a host organism for replication. 18 Animation; 25 Animation, 25 Gallery, 25 Bio; 27 Animation; 24 Bi [..]
Source: dnaftb.org

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A tiny particle made up of DNA/RNA and a protein coat. Viruses infect animals, plants, and micro-organisms and cause many diseases, including the common cold, influenza, measles, chickenpox, AIDS, pol [..]
Source: sciencemuseum.org.uk

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Copyright by Matisse "Virus" Enzer -->A chunk of computer programming code that makes copies of itself without any concious human intervention. Some viruses do more than simply replicate [..]
Source: matisse.net

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A computer program that can destroy files or make your computer "crash." Viruses can be sent via e-mail or through other file-sharing programs. Anti-virus software and not downloading information from people you don't know can help keep viruses from damaging your computer.
Source: help.suddenlink.com (offline)

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A piece of computer code that attaches itself to applications and data files without their consent or knowledge.
Source: wildpackets.com (offline)

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A destructive program that has the ability to reproduce itself and infect other programs or disks. Typically a virus will not show itself immediately, but will add itself to programs and disks to spre [..]
Source: walthowe.com

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A ultra-microscopic disease-causing organism.
Source: perennialresource.com (offline)

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Particles containing DNA or RNA that are much smaller than bacteria and require a host cell to multiply.
Source: extension.illinois.edu

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a submicroscopic, subcellular particle consisting of nucleic acid and protein that requires a host cell in which to multiply
Source: extension.umaine.edu

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Particles containing DNA or RNA that are much smaller than bacteria and require a host cell to multiply.
Source: outbacktuff.com

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A deforming microorganism that causes disease and death. Vivipary/viviparous
Source: rgardening.com (offline)

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A particle made up of one or more strands of a nucleic acid (either DNA or RNA) and multiple copies of one or more types of protein molecules. There may or may not be a lipid membrane around the parti [..]
Source: shieldsgardens.com

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As with a human virus, its an infectious disease that cannot be treated with chemicals and can be quite harmful or even fatal to the plant.
Source: gardensonline.com.au

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A disease caused by "Prunus Necrotic Ringspot Virus" and mostly found in roses. Symptoms appear generally in the spring as irregular coloration on the leaves, a yellow zigzag pattern, splotching or vein clearing. Can also produce distorted foliage, flower or growing tips. Infected plants are usually slower to develop in the spring and pro [..]
Source: heirloomroses.com (offline)

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An infectious agent too small to see with a compound microscope. Multipies only within a living host cell.
Source: atlantishydroponics.com (offline)

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a protein-coated fragment of DNA or RNA that infects a host cell in order to reproduce.
Source: terrapsych.com (offline)

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A minute organism about which comparatively little is known at present, capable of producing disease and disorder in any plant or animal it invades.
Source: blog.bakker.co.uk (offline)

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(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein a har [..]
Source: google-dictionary.so8848.com

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A program that can make a copy of itself without you necessarily being aware of it; some viruses can destroy or damage files, and generally the best protection is to always maintain backups of your fi [..]
Source: math.utah.edu

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A program which secretly alters other programs to include a copy of itself, and executes when the host program is executed. The execution of a virus program compromises a computer system by performing [..]
Source: fda.gov

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Definition A program that when run, has the ability to self-replicate by infecting other programs and files on your computer. These programs can have many effects ranging from wiping your hard drive, [..]
Source: bleepingcomputer.com

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A very small organism that can multiply only within living cells of other organisms and is capable of producing disease symptoms in some plants and animals.
Source: ipm.ucanr.edu

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An unwanted program which places itself into other programs, which are shared among computer systems, and replicates itself. Note: A virus is usually manifested by a destructive or disruptive effect on the executable program that it affects. 2. Self-replicating, malicious program segment that attaches itself to an application program or other execu [..]
Source: atis.org (offline)

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[from the obvious analogy with biological viruses, via SF] n. A cracker program that searches out other programs and `infects' them by embedding a copy of itself in them, so that they become Troj [..]
Source: hacker-dictionary.com

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A piece of programming code inserted into other programming to cause some unexpected and usually undesirable event, such as deleting or damaging files.
Source: extension.iastate.edu (offline)

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Jensens Internet Dictionary a hardware/software infection designed intentionally to corrupt a computer, computer files, and/or networks.  For virus updates and news, two good web sites are Network Associates at http://www.nai.com/vinfo/ and Mcafee at http://www.mcafee.com/ .  (Also see ActiveX.)
Source: comptechdoc.org (offline)

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Virus is a program that is loaded onto your computer without you knowing about it and it runs to hinder the normal functioning of the computer.
Source: quickbase.com

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A computer programme that reproduces itself and that is frequently malicious. The most common terms that are heard with regard to viruses are Worms (not really a virus, but often referred to as such) and Trojan Horses, because these are the most commonly experienced amongst internet users. A good firewall or anti-virus programme can offer protectio [..]
Source: thinkingit.com.au (offline)

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is a program written by a malevolent person, which copies itself from one computer to another. It might damage the computer's software as well. Click here for more on viruses.
Source: colc.co.uk

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A virus is an infectious agent that can replicate only within a host organism. Viruses infect a variety of living organisms, including bacteria, plants, and animals © Nature Education
Source: nature.com

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A virus is a piece of programming code inserted into other programming to cause damage. Viruses can be sent in many forms but are often transmitted via email messages that, when opened, may erase data or cause damage to your hard disk. Some viruses are able to enter your email system and send themselves to other people in your list of contacts.
Source: ourcommunity.com.au (offline)

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A submicroscopic noncellular particle composed of a nucleoprotein core and a protein shell; parasitic; will grow and reproduce in a host cell. viscera
Source: mhhe.com (offline)

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noun. 1. a microscopic parasitic compound which contains an RNA or DNA center encompassed by a safeguarding protein coating. As viruses can't multiply or reproduce without invading a living host [..]
Source: psychologydictionary.org

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Software intended to harm the computers connected to a network, usually disseminated with malicious or hostile intent by persons who try to conceal their identity to avoid detection and prosecution. M [..]
Source: abc-clio.com

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a microorganism that grows and reproduces in living cells of a host (bacteria, plant, or animal); the simplest form of life, more than 200 viruses are known to produce human disease.
Source: aiche.org

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A chunk of computer programming code that makes copies of itself without any concious human intervention.
Source: consp.com

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A program that replicates itself from one file or disk to another without your consent. They are spread through floppy disks, networks, and on-line services and can go undetected (unless you have an antiviral utility) until something goes wrong. Some viruses deliberately destroy data, and even those designed to be benign can cause crashes, slowdown [..]
Source: www-rohan.sdsu.edu (offline)

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If you surf the Web, use email or Storage Media sent to you by other people, you need to be protected against virus invasions. A virus is a nasty program devised by a clever programmer, usually with m [..]
Source: ict4lt.org

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A program, macro or fragment of code that causes damage and can be quickly spread through Web sites or email.
Source: lsoft.com

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a little program designed to cause trouble. It may be sent to you as an attachment.
Source: www-h.eng.cam.ac.uk (offline)

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Any program, script, applet, etc, designed to replicate itself. Usually used to describe code that is capable of executing destructive actions - file deletion, etc.
Source: a2zdom.com

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Look under General
Source: chabotcollege.edu (offline)

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A program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. Most viruses can also replicate themselves. All computer viruses are manmade. A simple virus that can make a copy of itself over and over again is relatively easy to produce. Even such a simple virus is dangerous because it will quickly [..]
Source: chabotcollege.edu (offline)

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a computer program usually hidden in an existing program.  Once the existing program is executed, the virus program is activated and can attach itself to other programs or files. Viruses can range fro [..]
Source: mason.gmu.edu

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Nature’s most brutally efficient engine of destruction. Since time immemorial, these microscopic pathogens
Source: biowars.com

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A parasite (consisting primarily of genetic material) that invades cells and takes over their molecular machinery in order to copy itself.
Source: foresight.org (offline)

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(L: virus= slimy liquid, poison) a disease-producing agent, parasitic in an organism, unable to multiply outside its host. A virus is very small and is visible only under an electron-microscope (after [..]
Source: seafriends.org.nz

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Smallest of all organisms and often not considered alive because they strictly depend on a cellular host organism (bacteria, plant, animal) to reproduce. Viruses have no metabolism of their own and depend on passive carriers to transport them around. Viruses are infectious particles with a DNA or RNA based small genome that can control the cellular [..]
Source: whatislife.com (offline)

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a rudimentary infectious microorganism, containing a single type of nucleic acid encaged in a protein capsid, which uses the materials of the cell that it parasitizes to synthesize its own constituent [..]
Source: biomerieux.com

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A complex of nucleic-acid and protein, that can infect and replicate inside a specific host cell to make more virus particles.
Source: xray.bmc.uu.se

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(French : virus) A noncellular biological entity that can reproduce only within a host cell. Viruses consist of nucleic acid covered by protein; some animal viruses are also surrounded by membrane. In [..]
Source: atlasgeneticsoncology.org

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(French : virus assistant) A defective gene that uses single–stranded RNA as its genetic material. It is only able to replicate when a helper virus is present in the same host cell.
Source: atlasgeneticsoncology.org

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an infectious particle made of proteins, nucleic acids, and sometimes lipids; thought to be non-living
Source: ontrack-media.net

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A small infectious particle with a single type of nucleic acid (either DNA or RNA), which is usually housed within a protein shell. Viruses can replicate only within the living cells of other organism [..]
Source: bigpictureeducation.com

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A destructive type of computer program that attempts to disrupt the normal operation of a computer, rewrite or delete information from storage devices, and in some cases, cause physical damage to the [..]
Source: td.org

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A strand of DNA or RNA in a protein coat that must get inside a living cell to grow and reproduce. Source: CDC
Source: animalantibiotics.org

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A malware computer program that can copy itself and infect a computer without permission or knowledge of the user. Some viruses damage computers by damaging files.  Others open connections for people to take over the machine.
Source: oit.ncsu.edu (offline)

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A small replicator consisting of little but a package of DNA or RNA which, when injected into a host cell, can direct the cell's molecular machinery to make more viruses.
Source: e-drexler.com

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A submicroscopic particle that can infect other organisms. It cannot reproduce on its own but infects an organism's cell in order to use that cell's reproductive machinery to create more vir [..]
Source: hc-sc.gc.ca

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A code written to spread from one computer to the next, damaging hardware or used to access your computer for criminal purposes.
Source: mbna.co.uk

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A piece of programming code inserted into other programming to cause some unexpected and usually undesirable event, such as lost or damaged files. Viruses can be transmitted by downloading programs from other sites or be present on a diskette. You may be unaware that you have received a virus and may be spreading it as a virus can be dormant until [..]
Source: nassaulibrary.org (offline)

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See: Computer Virus
Source: learnthenet.com

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a dangerous organism that causes the spread of minor and major diseases
Source: englishclub.com

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Virus is a software program that, once installed, replicates itself and corrupts data within one's computer.   Viruses may be attached to another program that appears to be harmless; the virus g [..]
Source: mortgageloan.com

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A program that is loaded onto your computer unbeknownst to you. Viruses can make copies of themselves, quickly using up all available memory. Some viruses can transmit themselves across networks.
Source: webmarketingangels.com.au

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A program or executable code that must be part of another executing program. Usually viruses change the configuration or cause havoc with a computer system. The viruses are hidden within some useful o [..]
Source: webliminal.com

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Program which can infect your computer like a medical virus might infect and damage your body. Always use an anti-virus program, keep it updated and you’re your entire computer as well as any disks or [..]
Source: stevefreemanonline.com

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A chunk of computer programming code that makes copies of itself without any concious human intervention. Some viruses do more than simply replicate themselves, they might display messages, install ot [..]
Source: massmailsoftware.com

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A chunk of computer programming code that makes copies of itself without any concious human intervention. Some viruses do more than simply replicate themselves, they might display messages, install ot [..]
Source: mainstreammediaworks.com

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Executable code (computer program) that infects or attaches itself to other executable code (computer programs) to perform a malicious or mischievous act such as erasing/editing files or locking up sy [..]
Source: isafe.org

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is malware that replicates itself and infects computer data, files, programs, and systems, similar to its namesake that infects human bodies. See also malware.
Source: expressvpn.com

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Malicious software which automatically spreads to other computers. The effects of a virus differ wildly, some are designed to merely cause annoyance while others set out to corrupt data or even damage [..]
Source: broadbandgenie.co.uk

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A computer virus is defined as a set of commands, created intentionally, that will do some level of damage to a computer. A computer virus does not float around in cyberspace, but is always attached t [..]
Source: rosalindgardner.com

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A computer virus is defined as a set of commands, created intentionally, that will do some level of damage to a computer. A computer virus does not float around in cyberspace, but is always attached t [..]
Source: umstrategies.com

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A virus is a program designed to infect and potentially damage files on a computer that receives it. The code for a virus is hidden within a file or program—such as a text document or a spreadsheet pr [..]
Source: definitions.uslegal.com

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A computer virus is a program (or part of one) that hides as part of a larger program and, when you run the larger program, spreads copies of itself to other programs. Most viruses do something harmfu [..]
Source: valinor.sorcery.net

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Any computer user's worst nightmare, viruses are programs that slip into your hard drive via disk or download and perform all sorts of nasties such as incapacitating your system or deleting your [..]
Source: dwarfnet.com

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A computer program written by a bratty child or a terrorist whose intent is both vandalism and spreading automatically to other computers. menu In a Nutshell DNS Changer Boot track viruses Stuxnet Exe [..]
Source: mindprod.com

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Small program that „infects“, i.e. corrupts or damages other programs by incorporating itself into the executed program. Viruses are commonly spread through the internet and can dama [..]
Source: netlexikon.org

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A malicious line of code designed to harm websites or computer systems.
Source: firstfound.co.uk

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Malware designed to infect and corrupt a computer and to copy itself. Viruses can disrupt programs installed on a computer.
Source: staysmartonline.gov.au

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A virus is a computer program designed to replicate itself and spread between as many computers as possible. Sometimes a virus is harmless but they are often designed to damage your computer by destro [..]
Source: plus.net

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A virus is a program that will seek to duplicate itself in memory and on disks, but in a subtle way that will not immediately be noticed. A computer on the same network as an infected computer or that [..]
Source: saugus.net

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A program that copies itself across the Internet, especially via email (or by other means, e.g. floppy disk or memory stick). These programs can do annoying or nasty things to your computer. If you us [..]
Source: church123.com

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A chunk of computer programming code that makes copies of itself without any concious human intervention. some viruses do more than simply replicate themselves, they might display messages, install ot [..]
Source: jimspages.com

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A virus is a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer.
Source: seniorsguidetocomputers.com

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A video blog.
Source: budd-e.cybersmart.gov.au (offline)

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Virus


Code written to infect computers with destructive macros or applications.
Source: intranetroadmap.com (offline)

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A small computer program which can harm your computer. Usually downloaded from the Internet from websites which are not secure or which should not be trusted, viruses can access your computer in numerous ways. To prevent download of these programs make sure you are using the latest versions of software, have anti-virus software installed, and are u [..]
Source: netnanny.com (offline)

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Virus


Viruses are programs
Source: pandasecurity.com

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Virus


a malicious piece of computer code that can replicate itself
Source: thirdparent.com

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  A malicious piece of code that runs on a users computer that controls various systems on the machine and sometimes can make the machine inoperable and compromises the security of the machine.
Source: elearningnc.gov

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A chunk of computer programming code that makes copies of itself without any conscious human intervention. A virus requires the presence of some other program to replicate itself. Typically viruses spread by attaching themselves to programs and in some cases files. Some viruses do more than simply replicate themselves, they might display messages, [..]
Source: aoknetworking.com (offline)

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    Viruses are self-executing, self-replicating programs. They alter the way a computer operates without the knowledge or permission of the user. When activated, viruses may damage files, cause errat [..]
Source: cgu.edu

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A program which replicates itself on computer systems by incorproating itself into other programs which are shared among computer systems. See also: Trojan Horse
Source: portal.chicagonettech.com (offline)

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A protein-wrapped genetic material which is the smallest and simplest life-form known. Example: Norovirus, hepatitis A.
Source: fightbac.org

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Self-replicating, malicious code that attaches itself to an application program or other executable system component and leaves no obvious signs of its presence
Source: key.com (offline)

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(n) (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein(n [..]
Source: beedictionary.com

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An insidious piece of computer code written to damage systems. Viruses can be hidden in executable program files posted online.
Source: netdictionary.com (offline)

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The agent of an infectious disease, smaller than bacteria, that must have a living host in order to grow or reproduce.
Source: familydoctor.org

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A micro-organism which invades living cells in order to grow or reproduce. Viruses cause many infections, from the common cold, chickenpox and measles to HIV.
Source: rcog.org.uk

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A tiny infectious agent that is smaller than bacteria. The common cold is caused by a virus, and the herpes simplex virus causes cold sores.
Source: meds.com

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Virus


N venom (sg.)| poisonous secretion of snakes/creatures/plants; acrid element
Source: latin-dictionary.org (offline)

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A special type of program which is designed for malicious purposes. It spreads by attaching itself to other programs and then carrying out unwanted and often damaging operations.
Source: mantex.co.uk (offline)

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A computer virus is a tiny program intended to do something you won’t like, up to and including making your computer utterly unusable. They're called viruses because they spread—they infect any u [..]
Source: fay.iniminimo.com

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A program that replicates itself and spreads throughout your computer or network. A virus usually remains hidden in another program or object and depends on a person to activate it. The virus normally [..]
Source: kids-online.net

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A virus is a piece of code that, when run, will attach itself to other programs, which will again run when those programs are run. Analogy: A biological virus is not a "living" thing. Inst [..]
Source: linuxsecurity.com

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Virus


An infectious agent that is much smaller than a bacteria.
Source: carcinoid.org

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Viruses are a type of germ. They're very tiny, and when they get inside your body, they can make you sick. Viruses cause colds, chicken pox, measles, flu, and many other diseases. Unfortunately, [..]
Source: kidshealth.org

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Malicious programs often designed as games, image files (JPEG) or screen savers. They are frequently transmitted as files attached to email messages, can be downloaded from websites, or enter a comput [..]
Source: rbc.com

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A virus is an absolutely tiny particle that is only capable or replicating within other cells. They are too small to be seen under a microscope. When a virus enters a cell, it hijacks the mechanisms t [..]
Source: myvmc.com

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A small parasite consisting of nucleic acid (RNA or DNA) enclosed in a protein coat that can replicate only in a susceptible host cell; widely used in cell biology research. (Table 6-3)
Source: ncbi.nlm.nih.gov

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Viruses (virii) are strands of DNA or it's complimentary form, RNA, usually coated by a protein shell called the capsid. Viruses lie at the very cusp of life - they cannot replicate themselves on [..]
Source: mult-sclerosis.org

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A program (usually an executable program) that infects a computer file by inserting a copy of itself into the file. These copies are usually executed when the infected file is loaded into memory, allo [..]
Source: kc.mcafee.com

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Virus


Malware that is loaded onto a computer and then run without the user’s knowledge or knowledge of its full effects.
Source: bsigroup.com

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  A virus is a form of malicious code and, as such it is potentially disruptive. It may also be transferred unknowingly from one computer to another. The term Virus includes all sort of variations on a theme, including the nastier variants of macro-viruses, Trojans, and Worms, but, for convenience, all such programs are classed simply as 'viru [..]
Source: yourwindow.to (offline)

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Virus


A computer program that can replicate itself and move from one computer to another without assistance from (or knowledge of) the user.
Source: lookout.com

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Software with functions that are normally malicious and goal of which is to infect other programs or systems. Viruses typically require an interaction of the user to disseminate. This distinguishes the computer virus from the computer worm, which is able to disseminate on its own.
Source: industry.siemens.com (offline)

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A virus is a malicious piece of software designed to infect a computer without knowledge or permission of the user, and interfere with its operation, and spread from one computer to another. Viruses c [..]
Source: ecsc.co.uk

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A computer program that is designed to replicate itself by copying itself into the other programs stored in a computer. When this application is run, it can infect other files on a system's disk. It may be benign or have a negative effect, such as causing a program to operate incorrectly or corrupting a computer's memory.
Source: cnc.ucr.edu (offline)

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Virus


A virus is a type of malware software
Source: wpwhitesecurity.com (offline)

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A malicious program or piece of programming code. A virus can be transmitted in a variety of ways, including being copied from one device to another through an infected thumb drive or being transmitte [..]
Source: bankofamerica.com

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A Virus is a computer program which distributes copies of itself, even without permission or knowledge of the user.  Though the term is commonly used to refer to a range of malware, a true virus must do these two things: self replicate and execute itself.
Source: webroot.com (offline)

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A computer virus refers to a program that enters your computer-often through e-mail or Internet downloads-and makes copies of itself, spreading throughout your computer and files. There is a wide rang [..]
Source: thinkbank.com

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A hidden, self-replicating section of computer software, usually malicious logic, that propagates by infecting—i.e., inserting a copy of itself into and becoming part of -- another program. A virus ca [..]
Source: cyberriskinsuranceforum.com

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google_ad_client="pub-8027288574377500";google_ad_slot="1043341745";google_ad_width=120;google_ad_height=600; Definition: A Virus is a threat. It's a self-replicating maliciou [..]
Source: computer-security-glossary.org

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Although often used as an umbrella term for any malicious file or malware introduced to a computer by a hacker, a virus is a actually a file that is able to copy itself to other computers and keeps ma [..]
Source: enterprisebank.com

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A computer program designed to replicate itself by copying itself into other programs stored in a computer. Viruses are now mainly spread by emails and by file sharing services. New viruses are discovered on a daily basis.
Source: co-operativebank.co.uk (offline)

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Hidden, self-replicating malicious software that propagates by infecting another program. Viruses are designed to spread from one computer to another and to interfere with computer operations.
Source: bangor.com (offline)

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Virus


See Malware.
Source: protectivesecurity.govt.nz (offline)

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Virus


A virus is a malicious programme which aims to harm your computer.
Source: if.com (offline)

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Virus


A software program which is capable of reproducing itself within the computer and harm the system's program files, which may even lead to system crash/damage.
Source: k7computing.com

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Computer code that attaches itself to other files on a computer system. Viruses spread through programs that are shared with other computers over the Internet. Some viruses are malicious and damage fi [..]
Source: netcentricnj.com

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A virus is a malicious program that can copy itself and transmit itself between devices via removable storage devices e.g. USB sticks. Viruses can damage and destroy the infected systems and data stor [..]
Source: lloydsbank.com

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Virus


See Computer Virus
Source: microsemi.com

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A malicious computer program that is designed to replicate itself by copying itself into the other programs stored in a computer. The intent of the virus is varying levels of negative effects, such as [..]
Source: csi-ltd.com

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Virus


Malicious code that replicates itself within a computer.
Source: ithandbook.ffiec.gov

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A computer virus refers to a program that enters your computer—often through e-mail or Internet downloads—and makes copies of itself, spreading throughout your computer and files. There is a wide rang [..]
Source: security.illinois.edu

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Code that recursively replicates a possibly evolved copy of itself. Viruses infect a Host File or system area, or they simply modify a reference to such objects to take control and then multiply again to form new generations.
Source: lavasoft.com (offline)

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Virus


A self-replicating computer program, loaded on to your computer without your knowledge that spreads by making copies of itself and clogging up your computer's memory.
Source: safecu.org

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Virus


 
Source: staff.napier.ac.uk (offline)

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 Software used to infect a computer; virus code is usually buried within other programming code. Once the program is executed the virus is activated and attaches copies of itself to other programs in the system. Most viruses can also replicate themselves and spread to other computers. Viruses can cause lost or damaged files, and can be transmitted [..]
Source: magazine.org (offline)

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Virus


The smallest form of microorganisms capable of causing disease. Especially, a virus of fecal origin that is infectious to humans by waterborne transmission.
Source: environmentallawyers.com

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a microorganism, which cannot grow or reproduce apart from a living cell. Viruses invade living cells and use the synthetic processes of infected cells to survive and replicate.
Source: lpi.oregonstate.edu

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Minute infectious agents whose Genomes are composed of DNA or RNA, but not both. They are characterized by a lack of independent Metabolism and the inability to replicate outside living host Cells.
Source: online-medical-dictionary.org

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A replication-defective strain of Murine leukemia virus (Leukemia Virus, Murine) capable of transforming lymphoid Cells and producing a rapidly progressing Lymphoid Leukemia after Superinfection with [..]
Source: online-medical-dictionary.org

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Virus


A strain of Murine leukemia virus (Leukemia Virus, Murine) isolated from spontaneous Leukemia in AKR strain Mice.
Source: online-medical-dictionary.org

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Virus


A Family of DNA Plant Viruses that infect eukaryotic algae.
Source: online-medical-dictionary.org

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Virus


Viruses whose hosts are in the domain Archaea.
Source: online-medical-dictionary.org

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Virus


Arthropod-borne Viruses. A non-taxonomic designation for Viruses that can replicate in both Vertebrate hosts and Arthropod Vectors. Included are some members of the following Families: Arenaviridae; B [..]
Source: online-medical-dictionary.org

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Virus


A tentative species in the genus Hepatovirus infecting primarily young chicks, but also found in Turkeys, pheasants, and Guinea fowl. It causes a fatal neuronal degeneration and is transmitted by mech [..]
Source: online-medical-dictionary.org

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Virus


A defective avian Leukemia Virus in the Family Alpharetrovirus, causing progressive Anemia and weakness in domestic and wild fowl.
Source: online-medical-dictionary.org

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Virus


The type species of Alpharetrovirus producing latent or manifest lymphoid leukosis in fowl.
Source: online-medical-dictionary.org

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Virus


A genus of the Family Retroviridae with type C morphology, that causes malignant and other Diseases in wild Birds and Domestic Fowl.
Source: online-medical-dictionary.org

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Virus


A species of Alpharetrovirus causing Anemia in fowl.
Source: online-medical-dictionary.org

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Virus


A group of Viruses in the genus Gammaretrovirus comprising a few isolates from Birds, with no known corresponding endogenous relatives.
Source: online-medical-dictionary.org

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Group of Alpharetroviruses (Alpharetrovirus) producing sarcomata and other Tumors in Chickens and other fowl and also in Pigeons, ducks, and Rats.
Source: online-medical-dictionary.org

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A genus of the Family Poxviridae, subFamily Chordopoxvirinae, comprising Bird Poxviruses. The type species is Fowlpox virus. Transmission is mechanical by Arthropods.
Source: online-medical-dictionary.org

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A group of Viruses in the genus Pestivirus, causing Diarrhea, Fever, oral ulcerations, hemorrhagic Syndrome, and various necrotic lesions among Cattle and other Domestic Animals. The two species (Geno [..]
Source: online-medical-dictionary.org

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Virus


A species of Enterovirus that has caused Outbreaks of Aseptic Meningitis in Children and Adults.
Source: online-medical-dictionary.org

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Virus


A species of Lentivirus, subgenus Ovine-Caprine Lentiviruses (Lentiviruses, Ovine-Caprine), closely related to Visna-maedi virus and causing acute Encephalomyelitis; chronic arthritis; Pneumonia; Mast [..]
Source: online-medical-dictionary.org

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Virus


The type species of Deltaretrovirus that causes a form of bovine lymphosarcoma (Enzootic Bovine Leukosis) or persistent Lymphocytosis.
Source: online-medical-dictionary.org

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Virus


Type species of Caulimovirus.
Source: online-medical-dictionary.org

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Virus


A serotype of the species Fowl adenovirus A.
Source: online-medical-dictionary.org

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Virus


Species of Reticuloendotheliosis Viruses, Avian infecting Chickens.
Source: online-medical-dictionary.org

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Virus


A species of Rubulavirus associated particularly with acute laryngotracheitis (Croup) in Children Aged 6 months to 3 years.
Source: online-medical-dictionary.org

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Virus


A species of the genus Flavivirus which causes an acute febrile and sometimes hemorrhagic Disease in man. Dengue is Mosquito-borne and four serotypes are known.
Source: online-medical-dictionary.org

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Virus


Viruses whose nucleic acid is DNA.
Source: online-medical-dictionary.org

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Virus


DNA Viruses producing malignant Tumors. Of the six major groupings of DNA Viruses four contain members which are actually or potentially oncogenic: the Adenoviridae, the Herpesviridae, the Papovavirid [..]
Source: online-medical-dictionary.org

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A genus in the Family Filoviridae consisting of several distinct species of Ebolavirus, each containing separate strains. These Viruses cause Outbreaks of a contagious, hemorrhagic Disease (Hemorrhagi [..]
Source: online-medical-dictionary.org

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A collection of single-stranded RNA Viruses scattered across the Bunyaviridae, Flaviviridae, and Togaviridae Families whose common property is the ability to induce encephalitic conditions in infected [..]
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 1 and Neuraminidase 1. The H1N1 subtype was responsible for the Spanish flu Pandemic of 1918.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 1 and Neuraminidase 2. It is endemic in both Human and pig Populations.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 2 and Neuraminidase 2. The H2N2 subtype was responsible for the Asian flu Pandemic of 1957.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 3 and Neuraminidase 2. The H3N2 subtype was responsible for the Hong Kong flu Pandemic of 1968.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 3 and Neuraminidase 8. The H3N8 subtype has frequently been found in Horses.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 5 and Neuraminidase 1. The H5N1 subtype, frequently referred to as the Bird flu Virus, is endemic in wild Birds and very [..]
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 5 and Neuraminidase 2. The H5N2 subtype has been found to be highly pathogenic in Chickens.
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 7 and Neuraminidase 1. This subtype has demonstrated the ability to mutate from a low pathogenic form to a highly pathoge [..]
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 7 and Neuraminidase 2. It has been involved in a number of Outbreaks in the 21st century on Poultry farms and has been is [..]
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 7 and Neuraminidase 3. It was first detected in Turkeys in Britain in 1963 and there have been several Outbreaks on Poult [..]
Source: online-medical-dictionary.org

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Virus


A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 7 and Neuraminidase 7. The H7N7 subtype produced an Epidemic in 2003 which was highly pathogenic among domestic Birds (Po [..]
Source: online-medical-dictionary.org

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A subtype of Influenza A virus comprised of the Surface Proteins Hemagglutinin 9 and Neuraminidase 2. The H9N2 subtype usually infects domestic Birds (Poultry) but there have been some Human Infection [..]
Source: online-medical-dictionary.org

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Virus


A replication-defective Mouse Sarcoma Virus (Sarcoma Viruses, Murine) first described by J.J. Harvey in 1964.
Source: online-medical-dictionary.org

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Virus


Viruses which enable Defective Viruses to replicate or to form a protein coat by complementing the missing Gene function of the defective (satellite) Virus. Helper and satellite may be of the same or [..]
Source: online-medical-dictionary.org

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Virus


A species of Henipavirus first identified in Australia in 1994 in Horses and transmitted to Humans. The natural host appears to be Fruit Bats (Pteropus).
Source: online-medical-dictionary.org

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Virus


Any of the Viruses that cause Inflammation of the liver. They include both DNA and RNA Viruses as well Viruses from Humans and Animals.
Source: online-medical-dictionary.org

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Virus


The type species of the genus Orthohepadnavirus which causes Human Hepatitis B and is also apparently a causal agent in Human Hepatocellular Carcinoma. The Dane particle is an intact Hepatitis Virion, [..]
Source: online-medical-dictionary.org

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Virus


A species of Varicellovirus that causes Infectious Bovine Rhinotracheitis and other associated Syndromes in Cattle.
Source: online-medical-dictionary.org

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Virus


Viruses which lack a complete Genome so that they cannot completely replicate or cannot form a protein coat. Some are host-dependent defectives, meaning they can replicate only in Cell systems which p [..]
Source: online-medical-dictionary.org

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Virus


Viruses infecting Insects, the largest Family being Baculoviridae.
Source: online-medical-dictionary.org

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Virus


A species of Flavivirus, one of the Japanese encephalitis virus group (Encephalitis Viruses, Japanese), which is the etiological agent of Japanese Encephalitis found in Asia, Southeast Asia, and the I [..]
Source: online-medical-dictionary.org

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Virus


A replication-defective murine Sarcoma Virus (Sarcoma Viruses, Murine) capable of transforming Mouse lymphoid Cells and producing erythroid Leukemia after Superinfection with Murine Leukemia Viruses ( [..]
Source: online-medical-dictionary.org

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Human immunodeficiency Virus. A non-taxonomic and historical term referring to any of two species, specifically HIV-1 and/or HIV-2. Prior to 1986, this was called Human T-lymphotropic Virus type III/l [..]
Source: online-medical-dictionary.org

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Virus


A subfamily of Herpesviridae characterized by variable reproductive cycles. The genera include: Lymphocryptovirus and Rhadinovirus.
Source: online-medical-dictionary.org

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Virus


A genus in the Family Filoviridae consisting of one species (Lake Victoria marburgvirus) with several strains. The genus shows no antigenic cross-reactivity with Ebolavirus.
Source: online-medical-dictionary.org

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Virus


Strains of Murine leukemia virus discovered in 1976 by Hartley, Wolford, Old, and Rowe and so named because the Viruses originally isolated had the capacity to transform Cell foci in Mink Cell Culture [..]
Source: online-medical-dictionary.org

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A strain of Encephalomyocarditis virus, a species of Cardiovirus, isolated from Rodents and Lagomorphs and occasionally causing febrile illness in man.
Source: online-medical-dictionary.org

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Virus


A strain of Murine leukemia virus (Leukemia Virus, Murine) arising during the propagation of S37 Mouse Sarcoma, and causing Lymphoid Leukemia in Mice. It also infects Rats and Newborn Hamsters. It is [..]
Source: online-medical-dictionary.org

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Virus


A replication-defective murine Sarcoma Virus (Sarcoma Viruses, Murine) isolated from a Rhabdomyosarcoma by Moloney in 1966.
Source: online-medical-dictionary.org

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Virus


Viruses which produce a mottled appearance of the leaves of Plants.
Source: online-medical-dictionary.org

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Virus


A species of Henipavirus, closely related to Hendra Virus, which emerged in Peninsular Malaysia in 1998. It causes a severe febrile Viral Encephalitis in Humans and also Encephalitis and Respiratory T [..]
Source: online-medical-dictionary.org

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Virus


A genus of the Family Baculoviridae, subFamily Eubaculovirinae, characterized by the formation of crystalline, polyhedral occlusion bodies in the host Cell Nucleus. The type species is Autographa cali [..]
Source: online-medical-dictionary.org

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Virus


Tumor-selective, replication competent Viruses that have antineoplastic effects. This is achieved by producing cytotoxicity-enhancing Proteins and/or eliciting an antiTumor immune response. They are g [..]
Source: online-medical-dictionary.org

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The type species of Parapoxvirus which causes a Skin Infection in natural hosts, usually young Sheep. Humans may Contract local Skin lesions by contact. The Virus apparently persists in Soil.
Source: online-medical-dictionary.org

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Virus


Viruses parasitic on Plants higher than Bacteria.
Source: online-medical-dictionary.org

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Virus


A species of the genus Potyvirus that Affects many species of Prunus. It is transmitted by Aphids and by infected rootstocks.
Source: online-medical-dictionary.org

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Virus


A genus of potentially Oncogenic Viruses of the Family Polyomaviridae. These Viruses are normally present in their natural hosts as latent Infections. The Virus is oncogenic in hosts different from th [..]
Source: online-medical-dictionary.org

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Virus


A subgenus of Lentivirus comprising Viruses that produce immunodeficiencies in primates, including Humans.
Source: online-medical-dictionary.org

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Virus


A strain of Murine leukemia virus associated with Mouse Tumors similar to those caused by the Friend murine leukemia virus. It is a replication-competent Murine leukemia virus. It can act as a Helper [..]
Source: online-medical-dictionary.org

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Viruses containing two or more pieces of nucleic acid (segmented Genome) from different Parents. Such Viruses are produced in Cells coinfected with different strains of a given Virus.
Source: online-medical-dictionary.org

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A group of Viruses in the Pneumovirus genus causing Respiratory Infections in various Mammals. Humans and Cattle are most affected but Infections in Goats and Sheep have also been reported.
Source: online-medical-dictionary.org

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Virus


Viruses whose genetic material is RNA.
Source: online-medical-dictionary.org

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Virus


A species of Alphavirus associated with Epidemic Exanthema and polyarthritis in Australia.
Source: online-medical-dictionary.org

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A species of replication-competent Oncogene-containing Virus in the genus Alpharetrovirus. It is the original source of the src Oncogene (V-src Genes) and causes Sarcoma in Chickens.
Source: online-medical-dictionary.org

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A strain of Murine leukemia virus (Leukemia Virus, Murine) producing Leukemia of the Reticulum-Cell type with massive infiltration of liver, spleen, and Bone Marrow. It infects DBA/2 and Swiss Mice.
Source: online-medical-dictionary.org

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Virus


Strain of Ross River virus.
Source: online-medical-dictionary.org

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A genus of the Family Herpesviridae, subFamily Betaherpesvirinae, infecting the Salivary Glands, liver, spleen, Lungs, eyes, and other organs, in which they produce characteristically enlarged Cells w [..]
Source: online-medical-dictionary.org

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Defective Viruses which can multiply only by Association with a Helper Virus which complements the defective Gene. Satellite Viruses may be associated with certain Plant Viruses, Animal Viruses, or Ba [..]
Source: online-medical-dictionary.org

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A variant of the Torque teno virus, in the genus Anellovirus. Several sub-variants are known, of which at least two are associated with transfusion-associated Hepatitis. SEN stands for the initials of [..]
Source: online-medical-dictionary.org

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A species of Spumavirus causing non-pathogenic Infections in Chimpanzees and Humans.
Source: online-medical-dictionary.org

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Virus


A species in the group Reticuloendotheliosis Viruses, Avian of the genus Gammaretrovirus originally isolated from ducks.
Source: online-medical-dictionary.org

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Virus


A defective variant of Measles virus that has been isolated from the Brain Tissue of Patients with Subacute Sclerosing Panencephalitis.
Source: online-medical-dictionary.org

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A species of Flavivirus, one of the Japanese encephalitis virus group (Encephalitis Viruses, Japanese), which is the etiologic agent of St. Louis Encephalitis in the United States, the Caribbean, and [..]
Source: online-medical-dictionary.org

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A strain of the species Reticuloendotheliosis virus, originally isolated from turkey.
Source: online-medical-dictionary.org

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Virus


The type species of Tobamovirus which causes mosaic Disease of Tobacco. Transmission occurs by mechanical inoculation.
Source: online-medical-dictionary.org

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A species of non-enveloped DNA Virus in the genus Anellovirus, associated with Blood Transfusions; and Hepatitis. However, no etiological Role has been found for TTV in Hepatitis.
Source: online-medical-dictionary.org

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Virus


Viruses that produce Tumors.
Source: online-medical-dictionary.org

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A species of Alphavirus that is the etiologic agent of Encephalomyelitis in Humans and equines. It is seen most commonly in parts of Central and South America.
Source: online-medical-dictionary.org

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Virus


Viruses infecting man and other Vertebrates.
Source: online-medical-dictionary.org

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The lone species of the genus Asfivirus. It infects domestic and wild Pigs, warthogs, and bushPigs. Disease is endemic in domestic Swine in many African countries and Sardinia. Soft Ticks of the genus [..]
Source: online-medical-dictionary.org

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A species of Alphavirus that is the etiologic agent of Encephalomyelitis in Humans and equines in the United States, southern Canada, and parts of South America.
Source: online-medical-dictionary.org

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Virus


An Orthohepadnavirus causing chronic Liver Disease and Hepatocellular Carcinoma in woodchucks. It closely resembles the Human Hepatitis B virus.
Source: online-medical-dictionary.org

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Virus


An endogenous Gammaretrovirus from the germ line of Mice but isolated from Humans. It has close similarity to xenotropic Murine leukemia virus.
Source: online-medical-dictionary.org

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A microscopic infectious agent that requires a living host cell in order to replicate. Viruses often cause disease in humans, including measles, mumps, rubella, polio, influenza, and the common cold. HIV is the virus that causes AIDS.
Source: aidsinfo.nih.gov (offline)

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Is a program that, once it enters your computer, takes over and can do serious damage to your files hard disk, erasing files etc. It can be spread through emails, SMS etc.
Source: ero.govt.nz

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Virus


Viruses are computer programs that can spread by making copies of themselves.
Source: sophos.com (offline)

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A virus is a small infectious organism—much smaller than a fungus or bacterium—that must invade a living cell to reproduce (replicate). The virus attaches to a cell, enters it, and releases its DNA or [..]
Source: cats-and-dogs-on-the-web.com

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Virus


A tiny infectious agent consisting of a genetic material (RNA or DNA) in a protein coat, which relies on host cells to reproduce.
Source: merckvetmanual.com

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The smallest form of life, invisible with an ordinary microscope. An infectious unit that enters and uses cells of plants or animals for replication. Some viruses cause disease in animals or plants.
Source: trupanion.com

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Virus


Infectious, disease-causing particles that reproduce by invading and taking over living cells.
Source: thecookinginn.com

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Virus


A tiny infectious agent that is smaller than bacteria.
Source: hallmarkhealth.org (offline)

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Virus


A virus is a type of malicious software (malware) comprised of small pieces of code attached to legitimate programs. When that program runs, the virus runs.
Source: techopedia.com

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the smallest known infectious agent; consists of either a DNA or RNA fragment protected by a protein shell (capsid); a virus cannot reproduce or act until it enters a living host cell. Viruses initial [..]
Source: amhistory.si.edu

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A virus requires host cells to survive. Once inside our cells, viruses can cause diseases. Like bacteria, viruses can be found nearly everywhere—particularly in modern, tightly sealed homes. Airborne particles in your indoor air can carry viruses from place to place, and from person to person.
Source: filtrete.com (offline)

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Virus


A tiny living organism, smaller than a bacterium, that can cause infections. Examples of infections caused by virus include measles
Source: immunise.health.gov.au (offline)

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Virus


An infectious particle consisting of DNA or RNA surrounded by a protein coat. A virus is not a living thing and requires a living host cell in order to reproduce itself. Viruses are ultramicroscopic, [..]
Source: historyofvaccines.org

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Virus


A tiny parasite that grows and reproduces in living cells. Vaccines prevent illnesses caused by the following viruses: Hepatitis B, Polio, Measles, Mumps, Rubella, Varicella, and Hepatitis A.
Source: archive.hhs.gov (offline)

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a tiny organism that multiples within cells and causes disease such as chickenpox, measles, mumps, rubella, pertussis, and hepatitis. Viruses are not affected by antibiotics, the drugs used to kill ba [..]
Source: malariavaccine.org

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Virus


An organism that needs to live inside a cell to grow and reproduce. Viruses cause many types of disease, including the common cold.
Source: hse.ie (offline)

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Virus


[vaye-rus] A virus is a small germ that can cause an infection. Different viruses can be passed between people in different ways.
Source: immunisationscotland.org.uk (offline)

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Virus


A tiny living organism, viruses are smaller than bacteria. Examples of infections caused by virus include measles, >rubella, mumps, polio, influenza (flu) and hepatitis B. [3] virus: a microorg [..]
Source: vaclib.org

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A tiny parasite that grows and reproduces in living cells. Vaccines prevent illnesses caused by the following viruses: Hepatitis B, Polio, Measles, Mumps, Rubella, Varicella, and Hepatitis A.[2]
Source: vaclib.org

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Any of various simple submicroscopic parasites of plants, animals, and bacteria that often cause disease and that consist essentially of a core of RNA or DNA surrounded by a protein coat. Unable to re [..]
Source: vaclib.org

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Virus


A tiny organism that multiplies within cells and causes disease such as chickenpox, measles, mumps, rubella, pertussis and hepatitis. Viruses are not affected by antibiotics, the drugs used to kill ba [..]
Source: vaclib.org

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Virus


A sub-microscopic infectious agent that is unable to grow or reproduce outside a host cell.
Source: inovio.com (offline)

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Virus


A tiny germ that grows and reproduces in living cells
Source: immunize.ca (offline)

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An infectious agent composed of a single type of nucleic acid, DNA or RNA that is enclosed in a coat of protein. It does not have a cellular structure and therefore cannot replicate outside of a living, host cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It can reproduce with fidel [..]
Source: aboutbioscience.org (offline)

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Virus


(VAHY-ruh s): A tiny organism that uses healthy host cells to multiply and spread. Viruses are not affected by antibiotics and they cause diseases like chickenpox, measles, mumps, rubella, pertussis, and hepatitis.
Source: zostavax.com (offline)

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Virus


a nucleoprotein entity able to pass through bacterium-retaining filters and to replicate within the living cells of a host. Submicroscopic, infectious agent, too small to be seen with a compound micro [..]
Source: 140.112.183.1

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Virus


see virus, helper.
Source: 140.112.183.1

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Virus


one which is transmitted by its vector only in the presence of a second (helper) virus. Synonymous with assisted virus, carried virus, helped virus.
Source: 140.112.183.1

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Virus


one which must be present for the transmission of a second (dependent) virus by its vector. Synonymous with assistor virus, carrier virus.
Source: 140.112.183.1

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Virus


see isolate.
Source: 140.112.183.1

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(from nematode tubular) a term introduced by Cadman (1963) for nematode-transmitted viruses with tubular particles. These viruses comprise the tobravirus group of Harrison et al. (1971, see above) wit [..]
Source: 140.112.183.1

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one which is retained for long periods and in some instances throughout life, by vectors transferred from infected to healthy plants. Such viruses share additional transmission characteristics: they p [..]
Source: 140.112.183.1

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Virus


one which multiplies only in the presence of a specific second virus.
Source: 140.112.183.1

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Virus


see strain (5).
Source: 140.112.183.1

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Virus


a simple microbe, consisting of only nucleic acid surrounded by a protein coat
Source: vhcprojectimmunereadiness.com (offline)

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Virus


A virus is a minuscule cell parasite. Incapable of living independently, a virus penetrates a cell and takes control of the cell’s machinery to reproduce itself, and, later, contaminate other cells. [..]
Source: poultrymed.com

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A tiny organism that multiplies within cells and causes disease such as chickenpox, measles, mumps, rubella, pertussis and hepatitis. Viruses are not affected by antibiotics, the drugs used to kill ba [..]
Source: vaccineindia.org

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an ultra-microscopic (one dimension less than 200 µm) organism. Viruses cannot reproduce alone but must first infect a living cell and usurp its synthetic and reproductive facilities. Responsible for [..]
Source: pecan.ipmpipe.org

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Extremely tiny microorganisms, often pathogenic, that reproduce within the cells of a host organism. Viruses may be present in human or animal waste and spread through contaminated water.
Source: koshland-science-museum.org

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Virus


A kind of germ that can cause disease. An STI caused by a virus, like herpes
Source: iwannaknow.org

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Virus


An infective agent consisting of a genetic core (DNA or RNA) with a protein shell that can only reproduce within a living host cell.
Source: cellsalive.com

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An extremely small infective agent, visible only with an electron microscope. Viruses can cause disease in humans, animals and plants. Viruses consist of a protein coat and either a DNA or RNA strand [..]
Source: apua.org

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Virus


An extremely small infective agent, visible only with an electron microscope. Viruses can cause disease in humans, animals and plants. Viruses consist of a protein coat and either a DNA or RNA strand of genetic material. Viruses can reproduce only inside a host cell by using the cell's machinery to reproduce. Thus, viruses are considered eithe [..]
Source: emerald.tufts.edu (offline)

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An intracellular parasite that depends on host cell metabolism for replication. More than 400 species of viruses live in the gastrointestinal tract. Many cause no harm but others cause illnesses inclu [..]
Source: internationalprobiotics.org

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Virus


A virus is a very small infectious microbe that can only replicate itself inside the living cells of an organism. Viruses on average are about 1/100th of the size of an average bacterium cell.
Source: optibacprobiotics.co.uk (offline)

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Virus


A microscopic particle that is made up of genetic material (either DNA or RNA) and protein that can replicate only inside living cells.
Source: bcm.edu

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: mifoodhandlers.com (offline)

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: azfoodhandlers.com (offline)

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Virus


A tiny infectious agent which multiplies inside a host cell within a living organism, e.g. humans and causes disease and infection.
Source: medic8.com

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Virus


 A tiny organism that causes disease. Unlike bacteria, viruses are not made up of cells
Source: lymphomas.org.uk (offline)

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Virus


A group of particles that do not have a cellular structure and cannot replicate outside of a host cell. They consist of a molecule of DNA or RNA surrounded by a protein coat. Viruses can only reproduce in living cells.
Source: archive.industry.gov.au (offline)

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a microorganism, smaller than bacteria, that invades a cell and uses the cell's metabolic systems to reproduce.  A virus consists of either DNA or RNA surrounded by a protective coat.  Unlike most bacteria, viruses cannot live on their own, they have to have a host cell to survive.
Source: peer.tamu.edu (offline)

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Virus


the causative agent of an infectious disease.
Source: nectaressences.com

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Virus


A protein-wrapped genetic material which is the smallest and simplest life-form known. Example: Norovirus, hepatitis A.
Source: safetybugtraining.com (offline)

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: iafoodhandlers.com (offline)

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Virus


A non-cellular microorganism that must infect a host cell to reproduce. A virus has two states: an intracellular state, when the virus may multiply and consists minimally of genetic material (double-s [..]
Source: waterpathogens.org

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Virus


The smallest microorganism that is capable of causing a disease.
Source: extoxnet.orst.edu

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: ilfoodhandlers.com (offline)

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: mofoodhandlers.com (offline)

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Virus


A microscopic infectious agent that is unable to live outside of a host; viruses cannot be killed by antibiotics.
Source: essentialformulas.com

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: tnfoodhandlers.com (offline)

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Virus


An infectious agent composed of a single type of nucleic acid, DNA or RNA, enclosed in a coat of protein. Viruses can multiply only within living cells.
Source: ncbiotech.org

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Virus


[vahy-ruh s] A very simple microorganism that may cause illness or disease. Viral infections are passed on from other people. Common viral infections include the common cold, herpes, and flu.
Source: preventcancerinfections.org

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Virus


Viruses are germs that can only reproduce inside of a living cell. It takes a small number of viruses to make someone sick. Many viruses get into the food from the lack of handwashing especially after using the toilet and then touching food.
Source: ohfoodhandlers.com (offline)

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Virus


The smallest form of microorganisms capable of causing disease, especially a virus of fecal origin, infectious to humans by waterborne transmission. back to top
Source: ntllabs.com (offline)

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Virus


A microscopic particle that can only multiply inside the cells of living organisms; they are totally inactive outside of a living host cell.
Source: biotechlearn.org.nz (offline)

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Virus


A virus is a very small infectious microbe that can only replicate itself inside the living cells of an organism. Viruses on average are about 1/100th of the size of an average bacterium cell.
Source: optibacprobiotics.sg

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Virus


An infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria.
Source: leukine.com (offline)

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Virus


Molecules of nucleic acid (RNA or DNA) that can enter cells and replicate in them.
Source: recycledwater.com.au

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Virus


Any of a large group of submicroscopic infective agents that are regarded either as extremely simple microorganisms or as extremely complex molecules that are capable of growth and multiplication on [..]
Source: waterwisesb.org

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Virus


A microorganism smaller than a bacteria, which cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself. It may reproduce with fidelity or with errors (mutations)- this ability to mutate is responsible for the ability of some viruses to change slig [..]
Source: healthcentric.com (offline)

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Virus


an infecting particle that cannot reproduce on its own; a virus must take over a living cell to make copies of themselves.
Source: smartersex.org

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Virus


A virus requires host cells to survive. Once inside our cells, viruses can cause diseases. Like bacteria, viruses can be found nearly everywhere—particularly in modern, tightly sealed homes. Airborne particles in your indoor air can carry viruses from place to place, and from person to person.
Source: anysizefiltrete.com (offline)

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Virus


A nucleoprotein structure consisting of DNA or RNA surrounded by a protein capsid. Viruses are unable to synthesize proteins or generate energy and are dependent on host cells for the production of progeny.
Source: dddmag.com (offline)

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Virus


Is a fragment of DNA or RNA that depends on the infection of host cells for their reproduction. They are not cells. Viruses are thought to parts of the genetic code found in either eukaryote or prokaryote cells that have the ability to exist on their own. At times viruses are metabolically inert and technically non-living.
Source: amyhremleyfoundation.org (offline)

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Virus


A virus is a program that can replicate itself by inserting (possibly modified) copies of itself into other programs, documents or file systems; this process is described as the infection of a host. A [..]
Source: cifas.org.uk

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Virus


Premeditated code that will multiply and spread through a computer or network causing destruction of data or financial loss. Viruses can also change normal computer functions into Trojan horse
Source: sturgeonventures.com (offline)

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Virus


Virus is a code that not only replicates itself, but also infects another program, a boot sector, a partition sector, or a document with executable instructions (such as macros) by attaching itself or inserting itself into that medium.
Source: internetcrimefightersorg.com (offline)

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Virus


A microscopic, infectious organism that invades a living host and makes copies of itself (viral replication).
Source: spcp.org (offline)

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Virus


See Computer Virus.
Source: landofcode.com

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Virus


A program or computer code that affects or interferes with a computer’s operating system and gets spread to other computers accidentally or on purpose through email messages, downloads, infected CDs or network messages. See worm
Source: emailexperience.org (offline)

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Virus


A Virus is a microscopic particle, composed of DNA or RNA surrounded by a protein coat. Viruses multiply by entering a cell, releasing their own DNA or RNA and controlling the DNA of the cell to manuf [..]
Source: airfilterusa.com

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Virus


An infectious organism that exists as a microscopic particle until it finds a host cell
Source: air-cleaner.co.uk (offline)

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Virus


Self-replicating, malicious code that attaches itself to an application program or other executable system component and leaves no obvious signs of its presence.
Source: mica.edu (offline)

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Virus


A particle consisting of a nucleic acid (RNA or DNA) genome surrounded by a protein coat (capsid) and sometimes also a membrane, which can replicate only after infecting a host cell. A virus particle [..]
Source: groups.molbiosci.northwestern.edu

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Virus


Sub microscopic organisms (0.03-0.25 microns) that lack the energy generating enzyme systems necessary to reproduce independent of living host cells. Some viruses, bacteria and fungi are pathogenic - [..]
Source: bdma.org.uk

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Virus


A computer virus is, like its natural equivalent, is designed to replicate itself. In computer terms viruses copy themselves into other programs stored in a computer. Viruses usually have a negative impact such as slowing a computer down or corrupting or deleting files. Modern computer viruses are spread by email or through file sharing networks. A [..]
Source: bankingglossary.bankingonly.com (offline)

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Virus


An infectious agent too small to see with a compound microscope. Multipies only within a living host cell.
Source: growershouse.com

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Virus


A microscopic infectious agent that can reproduce only inside a host cell.
Source: nzlizards.landcareresearch.co.nz (offline)

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Virus


A self-replicating computer program, loaded on to your computer without your knowledge that spreads by making copies of itself and clogging up your computer’s memory.
Source: uhcu.org (offline)

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Virus


The smallest form of microorganisms capable of causing disease.
Source: purifiernation.com (offline)

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Virus


A noncellular biological entity that requires a host cell for reproduction. Viruses consist of a nucleic acid genome that is either DNA or, in the case of retroviruses, RNA. The viral genome is covered with a protein coat; some viruses have a host-derived membrane over the protein coat.
Source: emice.nci.nih.gov (offline)

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Virus


A computer program or a portion of a computer program that is self-replicating when executed. The self-replicating capability permits the virus to spread throughout a computer system or network withou [..]
Source: developmentwork.net

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Virus


a nonliving, infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell
Source: go.hrw.com

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Virus


is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive; when this replica [..]
Source: northernlightspr.com

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Virus


A disease-causing agent that usually has only DNA or RNA, but not both, and is smaller than bacteria (retroviruses such as HIV have both DNA and RNA); viruses need cells in which to replicate.
Source: theaidsinstitute.org

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A parasitic genetic element enclosed in a protein coat that can replicate in cells, and form infectious particles, or remain dormant in the cells. Its genetic material can become integrated into the c [..]
Source: iatp.org

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An infectious particle composed of a protein capsule and a nucleic acid core, which is dependent on a host organism for replication. A double-stranded DNA copy of an RNA virus genome that is integrated into the host chromosome during lysogenic infection.
Source: celltherapysociety.org (offline)

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  The smallest known microorganism (smaller than a single cell).  Viruses need to invade your cells in order to multiply.  They cannot reproduce without help from your body's cells.
Source: transplants.ucla.edu (offline)

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a tiny microorganism, smaller than bacteria, which cannot replicate itself without a host and can cause sickness in humans that cannot be treated with antibiotics.
Source: amvf.asso.fr

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"Virus" is a KMFDM song from their fifth album, Naïve. In 2008, KMFDM Records re-released this as a 7" vinyl single, limited to 250 copies.
Source: en.wikipedia.org

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A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including ba [..]
Source: en.wikipedia.org

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Virus is the tenth studio album by the death metal band Hypocrisy, released on September 19, 2005. This is the first Hypocrisy album recorded with their new drummer, Horgh (Reidar Horghagen), from the [..]
Source: en.wikipedia.org

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Virus is an Argentine new wave music band, led by Federico Moura until his death on December 21, 1988, from AIDS-related complications. His brother Marcelo then became lead singer, until the band gave [..]
Source: en.wikipedia.org

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Virus is a 1999 American science fiction horror film directed by visual effects artist John Bruno and based on the comic book of the same name by Chuck Pfarrer. Starring Jamie Lee Curtis, William Bald [..]
Source: en.wikipedia.org

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ViRUS! (Russian: Вирус!) is a Russian band, formed in 1999. Currently it is composed of Olga Laki, Yuri Stupnik (DJ Doctor) and Andrey Gudas. ViRUS! was popular in 1999-2001. The project produced tech [..]
Source: en.wikipedia.org

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Virus is a Norwegian avant-garde metal band signed to Jester Records. It was formed in 2000 by Carl-Michael Eide. The band is considered by Czral as a continuation of his previous band Ved Buens Ende [..]
Source: en.wikipedia.org

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Virus is a Norwegian avant-garde metal band signed to Jester Records. It was formed in 2000 by Carl-Michael Eide. The band is considered by Czral as a continuation of his previous band Ved Buens Ende [..]
Source: en.wikipedia.org

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Virus is a Dark Horse Comics comic book, written by Chuck Pfarrer, drawn by Canadian artist Howard Cobb and first published in 1992. The story is about an alien life form which takes over a Chinese re [..]
Source: en.wikipedia.org

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"Virus" is a single from Iron Maiden, released in 1996. It is the first single since 1980's "Women in Uniform" that does not appear on any official Iron Maiden studio album. It was [..]
Source: en.wikipedia.org

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Virus is the fourth full-length album by the French power metal band Heavenly. The advanced Japanese release occurred on September 21, 2006, by Avalon Records.
Source: en.wikipedia.org

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Virus (復活の日 Fukkatsu no hi) (literal translation: Day of Resurrection) is a 1980 Japanese post-apocalyptic Science fiction film directed by Kinji Fukasaku, based on Sakyo Komatsu's eponymous novel. Th [..]
Source: en.wikipedia.org

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Virus (復活の日 Fukkatsu no hi) (literal translation: Day of Resurrection) is a 1980 Japanese post-apocalyptic Science fiction film directed by Kinji Fukasaku, based on Sakyo Komatsu's eponymous novel. Th [..]
Source: en.wikipedia.org

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Virus, written by Tome and drawn by Janry, is the 33rd album of the Spirou et Fantasio series, and the first to come from this creative team, carrying on the series after the work of previous authors. [..]
Source: en.wikipedia.org

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Virus, written by Tome and drawn by Janry, is the 33rd album of the Spirou et Fantasio series, and the first to come from this creative team, carrying on the series after the work of previous authors. [..]
Source: en.wikipedia.org

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Virus (also known as Formula for Death) is a 1995 television film starring Nicollette Sheridan, William Devane, Stephen Caffrey, Dakin Matthews, Kurt Fuller, Barry Corbin and William Atherton. It was [..]
Source: en.wikipedia.org

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"Virus" is a song written by Bob Arnz and Gerd Zimmermann and recorded by German singer LaFee. It was released as the first single from LaFee's debut album LaFee. The single reached fourteen [..]
Source: en.wikipedia.org

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A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including ba [..]
Source: en.wikipedia.org

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A virus is a parasitic agent that is smaller than a bacterium and that can only reproduce after infecting a host cell. Virus or The Virus may also refer to: Computer virus, a type of malicious compute [..]
Source: en.wikipedia.org

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Virus (born Andre Michel Karkos in Rochester, New York) is a singer/songwriter, guitarist, producer, most recognized for playing lead guitar for the American industrial metal/rock band Dope. He is als [..]
Source: en.wikipedia.org

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Ricardo Amezquita Carreño (born December 9, 1968) is a Mexican Luchador, or professional wrestler best known under the ring name, Virus. Amezquita originally worked in Consejo Mundial de Lucha Libre's [..]
Source: en.wikipedia.org

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Virus was a French Automobile. Pierre Brissonnet was the owner of the Garage Renouvier in the Rue de Renouvier in Paris. He built cyclecars between 1930 and 1935. Designer of the cars was a certain Re [..]
Source: en.wikipedia.org

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Virus is a 2007 Malayalam-language Indian feature film directed by Shankar, starring Abhinay, Sajitha Beti and Shankar himself. The film was critically acclaimed and had a premiere held at Thiruvanant [..]
Source: en.wikipedia.org

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"Virus" is a song by Icelandic artist Björk released as the third single from the album Biophilia. Each song in the album features a theme related to nature. In "Virus", Björk expl [..]
Source: en.wikipedia.org

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Virus (復活の日 Fukkatsu no hi), literally Day of Resurrection is a 1964 post-apocalyptic science fiction novel written by Sakyo Komatsu. The film was adopted into a movie of the same name in 1980. An Eng [..]
Source: en.wikipedia.org

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"Virus (How About Now)" is a song by Dutch DJ and record producer Martin Garrix and MOTi. It was released as a digital download on 13 October 2014 on Beatport and on 27 October 2014 on iTune [..]
Source: en.wikipedia.org

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Virus is the sixth studio album by Montenegrin dance-pop recording artist Dado Polumenta. It was released 25 December 2011 through the record label Grand Production.
Source: en.wikipedia.org

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Virus is the tenth studio album works of Indonesian music group, Slank. Which was released in 2001. It contains 13 songs with the song Virus and # 1 as the hits singles this album
Source: en.wikipedia.org

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Virus is Big Boy's seventh album released in 2000.
Source: en.wikipedia.org

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Virus is a 1996 bio-hazard thriller starring ex-Seattle Seahawks linebacker Brian Bosworth. It was directed by Allan A. Goldstein, best known for Death Wish V: The Face of Death.
Source: en.wikipedia.org





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