Dictionary
active immunity
noun
Definition of ACTIVE IMMUNITY
: usu. long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigens — compare passive immunity
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First Known Use of ACTIVE IMMUNITY
1895
Medical Dictionary
active immunity
noun
Medical Definition of ACTIVE IMMUNITY
: usually long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigens—compare acquired immunity, innate immunity, passive immunity
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