- American Sexual Health Association www.ashasexualhealth.org/stdsstis
- Centers for Disease Control and Prevention. HIV/AIDS www.cdc.gov/hiv
- Centers for Disease Control and Prevention. Sexually transmitted diseases (STDs) www.cdc.gov/std
- NMAC (National Minority AIDS Council) www.nmac.org
- UNAIDS www.unaids.org
- UNAIDS: Gap report (on AIDS pandemic) www.tinyurl.com/nnbwqnx
- University of California, San Francisco. HIV InSite hivinsite.ucsf.edu/InSite