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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Dictionary: Definition of "immunity" Thesaurus: All synonyms and antonyms for "immunity" Spanish Central: Translation of "immunity" Nglish: Translation of "immunity" for Spanish speakers Britannica English: Translation of "immunity" for Arabic speakers Britannica.com: Encyclopedia article about "immunity"
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