Introduction: This paper details the methods used in the second national Biological and Behavioral Surveillance Survey (BBSS) of HIV, syphilis, and hepatitis B and C among men who have sex with men in Brazil. Methods: Respondent-driven sampling (RDS) was used in 12 cities in 2016. The targeted sample size was initiated with five to six seeds in each city. HIV, syphilis, and Hepatitis B and C rapid tests were of...
Brazilian Ministry of Health, through the Secretariat for Health Surveillance and the Department of Prevention, Surveillance and Control of Sexually Transmitted Infections, HIV/AIDS and Viral Hepatitis (Projeto # 914BRZ1138, BRAZIL, AIDS-SUS); Tulane University, Global Community Health and Behavioral Sciences. New Orleans. LA, United States / Universidade Federal do Cear?. Faculdade de Medicina. Sa?de Comunit?r...