Background: The risk groups for sexual transmitted diseases (STDs) are sex workers, drug addicts, young people in early sexual initiation, and population in prison.
Aim: To determine the prevalence of HIV, Treponema pallidum and hepatitis B Virus (HBV) in male inmates at the Preventive Detention Center (CDP) of Arica.
Methods: The study was conducted in 140 inmates, with informed consent.