Immunity acquired by infection or vaccination (active immunity) or by the transfer of antibody or lymphocytes from an immune donor (passive immunity). Acquired immunity is in contrast to innate immunity (natural immunity).

Refers to the immunity that can be built up to a disease or illness that an animal would normally fall victim to. There are several reasons why this is, and it may be an active immunity (antibodies bu [..]

Immunity to certain diseases, which is not present at birth, but is acquired later in life. The immunity can occur due to the body developing antibodies because of being infected by a disease, by vaccination, or by antibodies being passed to an unborn child through the placenta.

Sometimes also called specific or adaptive immunity, acquired immunity is those features of the immune system that are "learned" during a person's lifetime rather than the ones the indi [..]

Protection from an infectious Disease agent that is mediated by B- and T- Lymphocytes following exposure to specific Antigen, and characterized by Immunologic Memory. It can result from either previou [..]

Immunity obtained either from the development of antibodies in response to exposure to an antigen, as from vaccination or an attack of an infectious disease, or from the transmission of antibodies, as [..]

See immunity.

<immunology> A form of cellular defense which identifies certain foreign substances (antigens) as harmful to the body. For this reason, the body can acquire resistance to a particular foreign agent. These foreign agents are then attacked by sensitised T lymphocytes (cellular immunity). White blood cells, plasma cells, B lymphocytes and other [..]

See Passive Immunity

Immunity that develops during a person’s lifetime. There are two types of acquired immunity: active immunity and passive immunity. See Related Term(s): Active Immunity, Immunity, Passive Immunity