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Hiv from saliva

Question: 

I live in a shelter and a woman who was sleeping next to me who has HIV/AIDS was caughing and her spit landed on my finger that had openings from a nickle infection from fake rings when her spit landed on my finger i felt stinging cause the wound is open from nickle infection can i catch her HIV/AIDS from her

Answer: 

Hello,

Thank you for your inquiry. From what we gather from the question, you were asking about the risk of HIV transmission through saliva. 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. It does not satisfy the equation as HIV is not transmitted through saliva when there is no blood present [1]. This is because saliva contains enzymes that readily breakdown HIV.

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, Carson