active immunity


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Related to active immunity: passive immunity, natural immunity, artificial passive immunity, artificial active immunity, artificial immunity

active immunity

n.
Immunity resulting from the development of antibodies in response to the presence of an antigen, as from vaccination or exposure to an infectious disease.

ac′tive immu′nity


n.
immunity resulting from one's own production of antibody or white blood cells.
[1910–15]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.active immunity - a form of acquired immunity in which the body produces its own antibodies against disease-causing antigensactive immunity - a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
acquired immunity - immunity to a particular disease that is not innate but has been acquired during life; immunity can be acquired by the development of antibodies after an attack of an infectious disease or by a pregnant mother passing antibodies through the placenta to a fetus or by vaccination
References in periodicals archive ?
com/prnh/20130307/600769 Animal vaccine is a kind of biological agent that enables inoculated animals to produce active immunity for disease prevention.
Active immunity relies on vaccines to build immunity in the birds.
Undetermined and requiring study is whether active immunity might be protective through an anamnestic response.