Anonymous
Hello

I wanted to know my risk of contracting hiv after an encounter with a sex worker.

We had protected sex for a couple of minutes when we found out she was on her period. She removed the condom and I went on to clean my penis. I also asked her to clean her hands as well which she did.

a couple minutes after that she performed oral sex to finish it off and during the event she rapidly swiped my penis with some sort of cleaning cloth and now i'm wondering if that could be the same cloth she cleaned her hands with. So my question is is there any risk to her swiping that cloth over the top of my penis if it had any blood on it from her hands.

Based on the information I could find there is very little to no risk considering it was just a brief swipe and also because if there even was any blood on it it would have been airborne for a couple of minutes. I would really appreciate your input on this. Thanks in advance.
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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. We're happy to answer your question for you.

Protected sex is considered a low risk activity, meaning that transmissions are possible in select circumstances (like when the condom breaks, for example). Receiving oral sex is considered a negligible risk activity, meaning that while theoretically possible, transmissions have never been observed to actually occur. As for wiping your penis with a potentially used cloth, this is a no risk situation. To understand why, know that HIV is a a very fragile virus that is rendered intransmissible on exposure to air. Any virus potentially on the cloth would not be able to be transmitted to you. Also consider the transmission equation:
HIV TRANSMISSION EQUATION


BODY FLUID
+
ACTIVITY
+
DIRECT ACCESS TO BLOODSTREAM
---------- -------- ----------------------------
• blood (including menstrual) • unprotected anal or vaginal intercourse • vagina
• semen • sharing needles • anus
• pre-cum • mother to child (in specific cases) • urethra in the penis
• rectal secretions • open cuts and sores (in theory)
• vaginal fluids • other mucosal membranes
• breast milk • points of needle injection
You'll see that required for transfer are all of a fluid involved in transfer, an activity involved in transfer, and direct access to the bloodstream. This does not involve an activity involved in transfer, nor does it provide direct access to the bloodstream. For these reasons, this is a no risk situation.

Have you ever been for an HIV test? We at AIDS Vancouver recommend routine HIV testing for all sexually active individuals, so if you've never been for a test we'd encourage you to go.

Trevor

AIDS Vancouver Helpline/Online

helpline.aidsvancouver.org
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= RISK OF HIV TRANSMISSION