Anonymous
hello. please i have this problem. our possibly + friend (promiscuous, we all insist to test and protect but...) and he left an apple with knife stuck in it on the table. till i could clean it, our 6yrs old son touched the knife and he keeps touching his eyes, nose,all the time and of course has minor scratches everywhere as every child... i in a hurry tried to grab it and touched the knife too. only then i realised there are some red stains on the knife - our friend maybe did cut himself. the blood would be on knife for some minutes (10 maybe i think) and it also looked like mixed with juice from apple that stayed on the blade (the blade is white so colours are real). it was all wet, but i cant tell, what was wet - if the blood or the juice, i would say it was a mix, but definitely, it was not dry at all, just wet. i just dont know. i did scratch myself when trying to grab it with it but only a little bit, nearly no bleeding. i even called my friend if he scratched with the knife and he was not sure. please is there a big risk? i dont know what to do. thank you very much.
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Anonymous
Hi there and thank you for reaching out to AIDS Vancouver with your questions! We're happy to help.

The situation that you have described is considered no risk. Here is a copy of the AIDS Vancouver transmission, which outlines how HIV is transmitted:

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  

HIV is a very delicate virus, and requires direct access to the bloodstream in order for there to be a risk of HIV transmission. In order for a cut or wound to provide said access, the cut needs to be gushing blood and require immediate and professional medical attention. The cut you have described does not match this description, and thus there is no risk of HIV transmission.

Furthermore, once HIV is exposed to oxygen in the air, the virus becomes damaged and is no longer able to transmit. Therefore any blood present on the knife would not be able to transmit HIV, as the virus would have been exposed to the air.

I hope I have answered your question, and feel free to contact us with any further concerns.

Regards,

Sierra, Helpline Volunteer

AIDS Vancouver Online Helpline

helpline.aidsvancouver.org

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