active immunity


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

First Known Use of ACTIVE IMMUNITY

1895

active immunity

noun    (Medical Dictionary)

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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