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Post-exposure prophylaxis


any prophylactic treatment started immediately after exposure to a disease, esp. a virus, which attempts to block or reduce injury or infection; Abbr. PEP

Post-exposure prophylaxis is a course of antiretroviral drugs.
Usage Note



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  • Postextrasystolic pause

    postextrasystolic pause post·ex·tra·sys·tol·ic pause (pōst’ěk-strə-sĭ-stŏl’ĭk) n. The somewhat prolonged cycle in the heartbeat immediately following an extrasystole.

  • Postextrasystolic t wave

    postextrasystolic T wave n. The T wave of the sinus beat immediately following an extrasystole.

  • Post-factum

    [pohst fak-tuh m] /poʊst ˈfæk təm/ adjective, adverb 1. after the fact; ex post facto: She will announce her decision and then give us a post factum statement of the reasons for it. Latin, literally “after the fact.”

  • Post-fascist

    adjective 1. of or relating to various right-wing political parties in Europe which espouse a modified form of fascism and which take part in constitutional politics noun 2. a member or supporter of such a party

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