Anonymous
Hello,
I had unprotected vaginal sex with a man back in May of this year. I had a HIV test completed which was nonreactive. I'm not sure which type of test this was exactly, however on the report is says HIV 1+2 Ab+HIV1 p24 Ag and then the result as nonreactive. Is this a fourth generation test? I was then retested at three months post my potential HIV exposure back in May with the same test which was again nonreactive. My question is do I need to test again at 6 months post exposure or is my test at 3 months considered conclusive? This is causing me a lot of anxiety as I can not find any consistent answers in the literature regarding this. Any help with this would be greatly appreciated! Thank you!

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Anonymous
Hello,

Thank you for your inquiry. From what we gather from the question, you were asking about the conclusiveness of a 2 negative results from a HIV 1+2 AB + HIV1 p24 Ag tested twice, with the most recent test conducted 3 months post-exposure.

This test is the 4th Generation "DUO" test that detects both antibodies to the HIV virus as well as a specific protein (p24) found on the HIV virus. This test is considered conclusive after 6 weeks by most HIV specialists. Some guidelines and physicians recommend getting re-tested 3 months after exposure. Since both of your results are negative, in which at least one test was outside of the window period, the negative result is conclusive.

Recommendation: No need for HIV test with the scenario provided, refer to a physician for other health related questions.

Regards,

AIDS Vancouver Helpline/Online, Marie
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