Pre and Post-Exposure Prophylaxis - PrEP and PEP

Defininitions:

Pre-Exposure Prophylaxis PrEP

CDC In PrEP studies, HIV negative people who are at high risk, take antiretroviral medication daily to try to lower their chances of becoming infected with HIV if they are exposed to it. Recent studies (July 2011) indicate that this might be 73% effective in preventing HIV in sero-discordant partners.

Post-exposure Prophylaxis (PEP)

WHO. Post-exposure Prophylaxis is short-term antiretroviral treatment to reduce the likelihood of HIV infection after potential exposure, either occupationally or through sexual intercourse. Within the health sector, PEP should be provided as part of a comprehensive universal precautions package that reduces staff exposure to infectious hazards at work.  

 

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