“…Therefore, high prevalence of HIV infection among FSW coupled with prevailing commercial sex transactions fuels a rapid increase of the heterosexual transmission of HIV in China (Chen, Peeling, Yin, & Mabey, 2011; Cohen, Ping, Fox, & Henderson, 2000). Existing studies have documented unprotected sex (Zhang, Li, Hong, Zhou, et al, 2012), injection drug use (Yao et al, 2012), partner violence (Zhang, Li, Hong, Chen, et al, 2012), infections of other STD (Parish et al, 2003), and no HIV testing (Hong et al, 2012) as risk factors for HIV infection and transmission among this at-risk population.…”