1. (15th June). What Are HIV and AIDS? Available: https://www.hiv.gov/hiv-basics/overview/about-hiv-and-aids/what-are-hiv-and-aids.
2. WHO. (16th June). HIV/AIDS. Available: https://www.who.int/en/news-room/fact-sheets/detail/hiv-aids.
3. C. f. D. C. a. Prevention. CDCP overview Available: https://www.cdc.gov/hiv/default.html.
4. UNAIDS. Global HIV & AIDS statistics — 2020 fact sheet. Available: https://www.unaids.org/en/resources/fact-sheet.
5. The spread of HIV in Pakistan: bridging of the epidemic between populations;Khanani;PLoS One,2011