postexposure
adjective
post·ex·po·sure ˌpōst-ik-ˈspō-zhər 
: occurring after exposure to something (such as a pathogen)
postexposure antiretroviral medications
postexposure surveillance
Example Sentences
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, chicagotribune.com, 27 Aug. 2019
Caitlin Hillyard, chicagotribune.com, 27 Aug. 2019 Word History
First Known Use
1906, in the meaning defined above
Medical Definition
postexposure
adjective
post·ex·po·sure -ik-ˈspō-zhər
: occurring after exposure (as to a virus)
postexposure vaccination