Anurag
I asked a question earlier today. The answer made me even more anxious.
This was the query that I wanted an answer to.  https://helpline.aidsvancouver.org/profile/6986683
If people would get hiv that easily then would it be possible to contract hiv by walking barefoot on beach instantly after someone with little bruising. The answer told me it was negligible risk, that means I might get hiv. Please help me. I feel like dying. Isn't virus non infections once it leave the body. Please reassure me about it. Now I am fearful of even walking on roads. 
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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 through walking barefoot on a beach instantly after someone with little bruising walked 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 HIV Transmission Equation (see down below).

Even if there had been fluid containing HIV positive particles, that was present on the beach, the HIV particles would be inactivated as exposure of the virus to oxygen quickly deactivates it. The CDC has shown that "HIV does not survive long outside the body (such on surfaces), and it cannot reproduce outside of the human host" (1). When HIV is exposed to oxygen, it undergoes a rapid decrease in concentration (90-99% within a couple of hours), so the risk of environmental transmission of HIV is essentially zero (1). You did not mention the presence of any cuts on your feet as well. 

Therefore, in the event that you walked barefoot on a beach and did come in contact with HIV positive bodily fluid, the exposure to oxygen, coupled with the fact that there was no direct access to the bloodstream, means there is No Risk of transmission from this activity. Therefore, this scenario does not meet the three components of the HIV Transmission Equation (see down below).
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Recommendation: No need for an HIV test with the scenario provided, please refer to a healthcare professional for other health related questions.

Regards,

AIDS Vancouver Helpline/Online, Sonali

1. HIV in the environment  

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