Thank you for your inquiry. From what we gather from the question, you were asking about the risk of acquiring HIV through a small cut on your finger from a piece of fruit you purchased 8 days prior. 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. Blood that may have been on a piece of fruit would not have any active virus after 8 days as the virus is rendered inactive with exposure to oxygen (1). Also, please note that small, superficial cuts are not an entry point for an HIV infection.
Recommendation: No need for HIV test with the scenario provided, refer to a healthcare professional for other health related questions.
AIDS Vancouver Helpline/Online, Marie
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1) Survival of HIV in the Environment