1. Centers for Disease Control and Prevention2016HIV in the United States: At a glance https://www.cdc.gov/hiv/statistics/overview/ataglance.html
2. Centers for Disease Control and Prevention20162017-08-22HIV Surveillance - Men Who Have Sex with Men (MSM) (through 2016) https://www.cdc.gov/hiv/library/slideSets/index.html
3. Centers for Disease Control and Prevention2017-08-12Global HIV/AIDS at CDC - Overview https://www.cdc.gov/globalaids/global-hiv-aids-at
4. Prevention of HIV-1 Infection with Early Antiretroviral Therapy
5. Preexposure Chemoprophylaxis for HIV Prevention in Men Who Have Sex with Men