variants or less commonly postexposure
: occurring after exposure to something (such as a pathogen)
post-exposure antiretroviral medications
post-exposure surveillance

Examples of post-exposure in a Sentence

Recent Examples on the Web
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The advisory also contains clinical information and best practices regarding post-exposure prophylaxis (PEP), the medical care given after a rabies exposure. — Eva Flowe october 1, Charlotte Observer, 1 Oct. 2026 Rabies is almost always fatal once the initial symptoms appear, but it can be prevented through vaccination, effective surveillance and prompt access to post-exposure prophylaxis. — Nayara Batschke, Los Angeles Times, 15 Sep. 2026 Rabies post-exposure prophylaxis includes washing the wound in question, receiving the human rabies vaccine, and, if necessary, rabies immunoglobulins, according to the World Health Organization. — Ciara McCarthy, Fort Worth Star-Telegram, 14 Sep. 2026 The health agency added that although there is currently no shortage of the rabies vaccine, clinicians should ensure doses of the post-exposure treatment are administered properly to avoid high costs and potential adverse effects. — Vanessa Etienne, PEOPLE, 11 Sep. 2026 See All Example Sentences for post-exposure

Word History

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of post-exposure was in 1906

Cite this Entry

“Post-exposure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/post-exposure. Accessed 9 Oct. 2026.

Medical Definition

post-exposure

adjective
variants also postexposure
: occurring after exposure (as to a virus)
post-exposure vaccination
post-exposure adverb
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