active immunity


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active immunity

[′ak·tiv im′yü·nət·ē]
(immunology)
Disease resistance in an individual due to antibody production after exposure to a microbial antigen following disease, inapparent infection, or inoculation.
References in periodicals archive ?
By comparison, active immunity is longer-lasting and more effective than passive immunity due to the immunologic memory produced by the patient's own immune system.
Researchers believe that the anti-cocaine vaccine now in human trials may provide some level of active immunity for as long as a year.
MANILA, THE PHILIPPINES -- Acyclovir given 1-2 weeks after exposure to varicella-zoster virus allows the acquisition of active immunity while preventing clinical disease, Japanese researchers found in a small study.