A system used to transport vaccines at a constant temperature involving a chain of refrigerators and portable cool boxes. Most vaccines and diluents need to be transported and stored in a cold chain b [..]

A monovalent vaccine is designed to immunize against a single antigen or single microorganism whereas polyvalent vaccines aim to immunize against several strains of the same microorganism, or against [..]

Acellular pertussis vaccine

A pharmacological agent (e.g., aluminum salt, oil-in-water emulsions) that modifies the effect of other agents, such as a drug or vaccine, while having few if any direct effects when given by itself. [..]

A drug used to treat severe allergic reaction (anaphylaxis). Also a hormone produced by the adrenal gland. Adverse drug reaction

Any untoward medical occurrence that may appear during treatment with a pharmaceutical product but which does not necessarily have a causal relationship with the treatment. Adverse event following imm [..]

A relatively new AEFI classification that started with pandemic vaccine development. AESI refers to adverse events of significant scientific, medical, and public interest among pandemic vaccines. AEFI [..]

An acute, multi-system, allergic reaction (IgE mediated) to a substance, such as vaccination, drugs, and food. Symptoms of anaphylaxis may include breathing difficulties, loss of consciousness, and a [..]

A special protein produced by plasmocytes in response to antigens (foreign substances, e.g., bacteria or viruses). Antibodies bind with antigens on microorganisms as one of the initial steps of the bo [..]

Chronic respiratory disease characterized by constriction of the bronchial tubes to the lungs, which causes sudden and recurring breathing problems, coughing, chest tightness and wheezing. Asymptomati [..]