Medical Dictionary
immunity
noun im·mu·ni·ty \im-ˈyü-nət-ē\
plural im·mu·ni·ties
Medical Definition of IMMUNITY
: the quality or state of being immune; especially : a condition of being able to resist a particular disease especially through preventing development of a pathogenic microorganism or by counteracting the effects of its products—see acquired immunity, active immunity, natural immunity, passive immunity
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