Anonymous
Hello, 
I am 26 years old male with serious gum bleeding because of gingivitis. 
Recently, I was sitting at a restaurant, eating, when a stranger who looked like a drug addict and was smoking a cigarette, through all the smoke all over my face. I felt all of his smoke inside my mouth and throat. If he also had gum disease and bleeding gums, could it be transmitted through the smoke?
I know that the question seems to be extremely sillt, but I know that your answer will be serious. 
Thanks in advance. 
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helpline-volunteer
Hi there,

Thank you for your inquiry. From what we gather from the question, you were asking about the possibility of HIV transmission from secondhand smoke exposure. From the information given, this scenario is determined to be No Risk (Transmission of HIV is not possible in the given scenario).

For HIV transmission to be possible, three components must be met (see below).

Helpline Transmission Equation .jpg 
HIV transmission requires the presence of HIV positive fluid (such as semen, vaginal fluid, pre-cum, rectal fluid, breastmilk, etc), coupled with a High, Low, or Negligible Risk activity, that provides the virus with direct access to the bloodstream.

Since there has been no High Risk activity, no exchange of fluids, and no direct access to the bloodstream, this scenario is determined to be No Risk.

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, Ashley 

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