Prevalence of Human Immunodeficiency Virus and Sexually Transmitted Infections and Associated Risk Factors among Female Sex Workers in Guangdong Province, China

To assess the prevalence of human immunodeficiency virus (HIV) and sexually transmitted infections (STIs) and associated factors among female sex workers (FSWs) in Guangdong, China. Respondent driven sampling was used to recruit 320 FSWs. The recruited participants were interviewed face-to-face using a structured questionnaire and tested for HIV, syphilis, gonorrhea, and Chlamydia.