Note: This calculator is based on several medical studies. It determine the HIV transmission risk per exposure based on several factors. It was prepared in collaboration with HIV/AIDS consultant Dr.Monther Alhasawi. It used the following calculations:  HIV risk per exposure based on meta-analysis, protective efficacy of condom and PREP (Truvada) , STD increasing risk of HIV range  folds, HIV status, anti-retroviral therapy intake and HIV viral load

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