Reports of infections from sexually transmitted diseases are increasing among gay and bisexual men

In 2011, 13,970 primary and secondary syphilis cases were reported. The rate of 4.5 cases per 100,000 was unchanged from 2010. About 72% of cases were among men who have sex with men. Syphilis can lead to paralysis, dementia and death. It also can facilitate the transmission of HIV infection.