Definition of pre-exposure in English:

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pre-exposure

Pronunciation: /priːɪkˈspəʊʒə/
/priːɛkˈspəʊʒə/

noun

Previous or premature exposure to something, especially to a disease or infection: [as modifier]: pre-exposure 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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