active immunity


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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 ?
By comparison, HepA vaccine offers the advantages of easier administration, inducing active immunity, and providing longer protection.
HepA vaccine for PEP provides advantages over IG, including induction of active immunity, longer duration of protection, ease of administration, and greater acceptability and availability.
grippotyphosa organism for active immunity in dogs.
Breast milk is the main source of passive and active immunity during the early, vulnerable months.
Passive immunity will provide immediate protection to the body, but the body will not develop immunological memory from these sources, and thus the person will be at risk of being infected by the same pathogen later unless he or she acquires his or her own active immunity or is vaccinated.