1. Centers for Disease Control and Prevention. Diagnoses of HIV Infection in the United States and Dependent Areas.
https://www.cdc.gov/hiv/pdf/library/reports/surveillance/cdc-hiv-surveillance-report-2015-vol-27.pdf
(2015). Accessed 23 Oct 2017.
2. Centers for Disease Control and Prevention. HIV Incidence: Estimated Annual Infections in the U.S., 2008–2014.
https://www.cdc.gov/nchhstp/newsroom/docs/factsheets/hiv-incidence-fact-sheet_508.pdf
(2015). Accessed 23 Oct 2017.
3. Centers for Disease Control and Prevention. Sexually Transmitted Disease Surveillance.
https://www.cdc.gov/std/stats15/STD-Surveillance-2015-print.pdf
(2015). Accessed 23 Oct 2017.
4. Purcell DW, Johnson CH, Lansky A, et al. Estimating the population size of men who have sex with men in the United States to obtain HIV and syphilis rates. Open AIDS J. 2012;6:98–107.
5. HIV testing and risk behaviors among gay. bisexual, and other men who have sex with men—United States. Morb Mortal Wkly Rep. 2013;62(47):958–62.