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acquired immunity

Definitions of acquired immunity
  1. noun
    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
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    types:
    active immunity
    a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens
    passive immunity
    an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)
    type of:
    immunity, resistance
    (medicine) the condition in which an organism can resist disease
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