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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