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Questions about re-infection or super-infection

Apr 26, 2012

I've read that unsafe sex between two positive people can lead to a superinfection. However, if the small amount of virus does enter the body, and a person is taking ART, wouldn't that person's drug regimen act as a prophylaxis and kill and/or inhibit the the new virus in much the same way as a post-exposure prophylaxis would in a negative person? Please explain.

Response from Dr. Young

Hello and thanks for posting.

You're correct that a persons taking ART would theoretically be protected against exposure to a new strain of HIV. This works so long as the new strain was sensitive to the ART (but not if the virus was multidrug resistant).


i'm worried
non HIV positive took two atripla tablets for precausion

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