According to the “Sexually Transmitted Disease Annual Summary,” for 2014 published by the San Francisco Department of Public Health: “Gay and bisexual men and other men who have sex with men have the highest prevalences of gonorrhea, chlamydia, and early syphilis.Prevalence of STDs among gay and bisexual male patients and transgender patients was higher than prevalences among women and other male patients. Gay and bisexual male patients had a gonorrhea prevalence of 11.2 percent compared with 1.6 percent for women and 3.7 for other men.”