Anonymous
Hallo,

yesterday i damaged my thumpnail, there was blood in the nail bed which dried quickly. Today after the shower i wanted tobuy a plaster.
I went to a supermarket. While i took the plaster out of the shelf a box with wound cleanser fell on the floor. I picked it up and stowed it away. I saw, that it was opend but i didn´t react to it.
At home i putted a plaster on my wound.  A few hours later i found bloodstains on the thumb i opend the plaster with.
I think that the blood came from the box when someone with a wound opened it for trying the cleanser.
So my thumb with foreign blood might have come into contact with the plaster which i putted on my nail bed.
The store opend a few minutes before i bought the plaster. So the blood was quite fresh. It went to my thump, 10 minutes later to the plaster, then to my 18 hours old wound. Can i get hiv from this?
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helpline-volunteer

Hello,


Thank you for your inquiry. From what we gather from the question, you were asking about foreign blood coming in contact with a wound on your finger. From the information given, this scenario is determined to be No Risk (transmission of HIV is not possible in the given scenario).

The scenario mentioned above does not meet the three components of the transmission equation. The foreign blood would not contain any active HIV because exposure of the virus to oxygen quickly deactivates it. The CDC has shown that "HIV does not survive long outside the body (such on surfaces), and it cannot reproduce outside of the human host" (1). When HIV is exposed to oxygen it undergoes a rapid decrease in concentration (90-99% within a couple of hours), so the risk of environmental transmission of HIV is essentially zero (2).

In conclusion, if you did touch blood and later touched your wound, the virus would have been rendered inactive due to exposure to oxygen. Therefore, there is no risk in this scenario.

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

Regards,

AIDS Vancouver Helpline/Online, Rashell

 

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References:
1.) Basics of HIV Transmission
2.) HIV Survival in the Environment





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