Hi there,Thank you for your inquiry. From what we gather from the question, you were asking about the possibility of HIV transmission through a condom slipping off half way while having protected vaginal sex.
From the information given, this scenario is determined to be of Low Risk (evidence of transmission occurs through these activities when certain conditions are met). In order for HIV transmission to occur in this circumstance, a number of requirements must be fulfilled.
HIV transmission occurs when the following conditions are met: There must be the presence of HIV positive fluid (semen, pre-cum, vaginal fluid, rectal fluid, blood, or breastmilk), coupled with direct access to the bloodstream.
This scenario is considered to be Low Risk because while penetration or direct access to the bloodstream occurred (vaginal penetration), it is unknown whether there was any presence of HIV positive fluid. Protected vaginal sex is considered Low Risk due to improper use and potential breakage of the condom which is what happened in the scenario above. Condoms are highly effective strategies to help prevent the sexual transmission of HIV. When this highly effective strategy is used consistently and correctly the risk for HIV transmission is very low (1). In regards to the symptoms you described, HIV often mirror other viral infections such as the flu, therefore it is best to refer to a healthcare provider.
For the situation above, it is recommended that you refer to a healthcare provider for HIV screening.
AIDS Vancouver Online/Helpline, Sonali
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1. Condom Effectiveness