1. Centers for Disease Control and Prevention: CDC factsheet: HIV among African Americans. 2020. https://www.cdc.gov/nchhstp/newsroom/docs/factsheets/cdc-hiv-aa-508.pdf. Accessed 21 Feb 2020.
2. United States Census Bureau: Quickfacts United States. 2019. https://www.census.gov/quickfacts/fact/table/US/RHI225218. Accessed 4 March 2020.
3. Centers for Disease Control and Prevention: NCHHSTP Atlas Plus. 2020. https://www.cdc.gov/nchhstp/atlas/index.htm. Accessed 21 Feb 2020.
4. Centers for Disease Control and Prevention: HIV surveillance - adolescents and young adults. 2017. https://www.cdc.gov/hiv/pdf/library/slidesets/cdc-hiv-surveillance-adolescents-young-adults-2017.pdf. Accessed 4 May 2020.
5. US Public Health Service. Preexposure prophylaxis for the prevention of HIV infection in the United States – 2017 update: a clinical practice guideline. 2018.