According to reports, STD’s in San Francisco are in a “multi-year rise”
Despite a decline in HIV, instances of syphilis, gonorrhea and chlamydia continue to increase, with homosexuals being most vulnerable.
In January of 2011, San Francisco city public health officials declared a Syphilis epidemic which was occurring, primarily among gay men.
The cumulative incidences of HIV in gay men in the United States is only slightly lower than that of gay men in portions of Africa and has been rising steadily since 2001.
According to the Centers for Disease Control and Prevention (CDC), gay and bisexual men are the only group seeing this rise in rates of HIV infection.
See The Shocking Second HIV Epidemic Among U.S. Gay Men That No One Is Talking About | Alternet.