post·​ex·​po·​sure ˌpōst-ik-ˈspō-zhər How to pronounce postexposure (audio)
: occurring after exposure to something (such as a pathogen)
postexposure antiretroviral medications
postexposure surveillance

Examples of postexposure in a Sentence

Recent Examples on the Web But if the animal can't be identified or captured, the recommendation is to begin postexposure preventive treatment for rabies. Caitlin Hillyard,, 27 Aug. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'postexposure.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of postexposure was in 1906

Dictionary Entries Near postexposure

Cite this Entry

“Postexposure.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2024.

Medical Definition


post·​ex·​po·​sure -ik-ˈspō-zhər How to pronounce postexposure (audio)
: occurring after exposure (as to a virus)
postexposure vaccination
postexposure adverb
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