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 Copyrights are reserved for tebhayat.com & teb.news websites. This tool dose not substitute professional advisory.