Anonymous
I had protected anal sex (bottom) and unprotected oral sex, I tested 27 days after and the results came back negative. Shld I still be worried or is it almost 100% safe that I am not HIV+?
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Anonymous
Hi there, and thanks a lot for contacting the AIDS Vancouver Helpline for your HIV/AIDS related health information. It seems you're concerned about the possibility of HIV transmitting during an encounter, and about the accuracy of some tests you've had since then. We're happy to answer your question for you.

Protected sex is considered a low risk activity, and unprotected oral sex (giving) is again considered a low risk activity. Low risk means that while transmissions are possible, they require specific circumstances to occur. In the case of protected sex, this would be things like the condom breaking, and in the case of oral sex, that the giving partner had had recent major dental surgery, for example. To see the risks associated with these and many other common activities, we encourage you to check out our [risk assessment page](http://helpline.aidsvancouver.org/question/risk-assessment-chart).

Here is a bit more information on the 4th generation test:


You'll see in the chart that its results are considered conclusive, meaning its results are taken as accurate, 3 months post exposure. Remember the risk level associated with your encounter, but this test was done too soon to conclusively demonstrate your status after that specific encounter. You'll need to go back after 3 months if you want to know your status conclusively.

Thanks a lot for contacting the AIDS Vancouver Helpline with your question, we hope it has been answered fully.

Trevor

AIDS Vancouver Helpline/Online

helpline.aidsvancouver.org





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Test Name Method Window Period Conditions
4th Generation EIA Blood test that looks for antibodies AND p24 protein antigens. Commonly referred to as the "combination," "combo" or "DUO" test. P24 protein is detectable immediately after infection but only for the first few weeks. The antibody (ab) test has a window period of 4-12 weeks post exposure. This test is widely available in North America. Most HIV specialists consider this test to be conclusive at 6 weeks but official HIV testing guidelines still recommend re-testing at 12 weeks for conclusive results. Conclusive at 3 months post exposure. |