Anonymous

Hello when I was waiting at a busy bus stop there was a gust of wind, then I felt a COLD WET feeling on the side of my mouth. The wetness (potentially someone’s spit) then went into my mouth, where without thinking I swallowed. If the spit had blood in it, and I had dry cuts on my lip and mild gingivitis cuts, mild cuts in my throat from coughing. If the bloody spit potentially made contact with those cuts, would I be at risk of contracting HIV?

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helpline-volunteer
Hello there,

Thank you for your inquiry. From what we gather from the question, you were asking about, cold wet spit from someone else's mouth that may have contained blood.

You described that you have cuts on your lip which you are concerned may have provided a risk for HIV transmission.

Form the information given, this scenario is determined to be No Risk (transmission of HIV is not possible in the given scenario). In this case, spit containing blood would not provide a risk for HIV transmission. Saliva is not considered to be a bodily fluid that can carry HIV. Although you mention the possibility of blood in the spit, it is important to recognize that saliva contains enzymes that deactivate HIV, making it difficult to transmit orally. Further, HIV undergoes a rapid reduction in concentration when exposed to the environment outside of a human host. 

For these reasons, the scenario above does not meet the requirements of our HIV Transmission Equation (see below). In order for HIV transmission to occur, the following requirements must be met. 


Helpline Transmission Equation .jpg 
Recommendation: No need for HIV test with the scenario provided, refer to healthcare professional for other health-related questions.

Thank you,

AIDS Vancouver Online Helpline, Saru

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