Thank you for your inquiry. From what we gather from the question, you were asking about the risk of HIV transmission through a cut on your foot. 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. In order for HIV to be transmitted an HIV positive fluid must have direct access to your bloodstream. HIV requires a very controlled environment to survive and does not reproduce outside of the human host (1). Theoretically if there was fluid on the floor, once it was exposed to oxygen any HIV present would deplete in concentration rapidly (90-99% within several hours), meaning that the risk of transmission from you walking through it would essentially be zero (2). Recommendation: No need for HIV test with the scenario provided, refer to a healthcare professional for other health related questions
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1.) HIV Transmission Basics
2.) Survival of HIV in the Environment