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HIV exposure through a scab

Question: 

Today I hooked up with someone in their hotel room. It was all very quick but I asked his HIV status. He told me he was negative and always had safe sex (this is my sexual practice as well). In the heat of the moment, I fingered him before having protected anal sex. When I was cleaning up in the bathroom, I noticed I had a tiny scab on my thumb from a hang nail I had previously pulled. I panicked a bit because it was on the thumb I had fingered this man. I, of course, vigorously scrubbed it with soap and washed my hands like 8 times with hot water. Upon inspection and drying with a towel I think I broke open the scab.
Seeing that I'm almost certain I didn't disrupt the scab when I was fingering him, what is the likelihood of contracting HIV from this encounter.

Thinking it through...
1) He said he was negative. And has since confirmed it in texts.
2) I only temporarily inserted it into his rectum.
3) I didn't encounter any of his blood/semen on my finger.
4) Is a scab sealing off the port of entry?

Basically, I deciding whether to do PEP.

Answer: 

Greetings,

This is not a high risk exposure and does not warrant PEP.

A couple things to clarify for you for when you engage in activities in the future. Check out the transmission equation I have included below:

In order for the possibility of HIV transmission each area must be represented:

i) Body fluid with high level of HIV-these include blood, semen, rectal secretions, pre-cum, vaginal fluids. ii) A Specific Activity- Unprotected anal or vaginal intercourse, sharing needles ii) Direct Access to the Bloodstream via vagina, anus, urethra in the penis, fresh, open and actively bleeding cuts or wounds.

Oral sex and fingering are a negligible risk for HIV which means that although there are body fluids present there have been no cases of HIV transmitted in this way. Consider how many of us have nicks and scrapes on our hands and fingers, especially during the changing seasons; many more people would be living with HIV if it was transmitted so easily.

Using condoms is one of the best ways to protect yourself and your future partners from the transmission of STI's, including HIV. Second to that is regular testing, as it pertains to your lifestyle. This could be every 6 months or yearly, and it makes it a lot less pressure to test when you HAVE to!

Hope this helps clear things up for you,

All the best,

Katie