Cai Wenjun/Shanghai Daily news

The prevalence of HIV/AIDS infection among local gay and bisexual men has almost tripled from 1.5 percent three years ago to 4.4 percent, said a survey released yesterday, World AIDS Day, Shanghai Daily reported.

The incidence of syphilis among gay and bisexual men had risen to 10.3 percent, according to the survey. The latest figures from Shanghai Center for Disease Control and Prevention put the incidence of syphilis in gay and bisexual men even higher, at around 13 percent.