Thank you for your inquiry. From what we gather from the question, you were asking about the risk of HIV transmission by touching your a cut on your tongue to a mask that had saliva on it. 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 because in order for HIV to be transmitted a fluid such as blood or semen need to gain direct access to your bloodstream. HIV is not transmitted through saliva, therefore even if some was present on your mask, transmission in this case is not possible (1).
It's also crucial to note that when considering HIV transmission, we focus on the activity, not the person. It is important not to stigmatize or profile individuals on their socioeconomic status or otherwise.
Recommendation: No need for HIV test with the scenario provided, refer to a healthcare professional for other health-related questions.
AIDS Vancouver Helpline/Online, Rashell
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1.) HIV Transmission Basics