Definition of preexposure in English:


Syllabification: pre·ex·po·sure
Pronunciation: /ˌprē-ikˈspōZHər


  • Previous or premature exposure to something.
    More example sentences
    • Four groups received preexposure to the sage-flavored diet.
    • Because we did not have neurobehavioral test results preexposure, the reasonable alternative was to calculate expected values.
    • We kept only yearling males to minimize preexposure to the pathogens used in this study.


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  • Occurring or existing before exposure, especially exposure to a disease or infection: preexposure vaccination
    More example sentences
    • Smallpox vaccination is not recommended for children in a pre-exposure situation because of the risk of adverse reactions.
    • The CDC is not recommending pre-exposure vaccination for unexposed veterinarians, veterinary staff, or animal control officers, unless such persons are involved in field investigations.
    • If you have already been vaccinated before being bitten (the pre-exposure vaccine), two doses of the rabies vaccine will be given: one at the time of the bite, and one 3-7 days later.

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