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Sexually transmitted infections (STIs) are still a major public health problem in the world, with sexual risk behaviors being a major determinant of STIs. The World Health Organization (WHO) estimates that more than 1 million people contract an STI every day and that some 357 million people each year contract one of the four most prevalent curable STIs: Chlamydia infection (131 million), gonorrhea (78 million), syphilis (5.6 million) and trichomoniasis (143 million). Among the viral STIs, the four most frequent correspond to infections caused by the human immunodeficiency virus (HIV), hepatitis B virus (HBV), herpes simplex virus (HSV) and human papillomavirus (HPV). For developing countries, HIV, hepatitis B and syphilis are a major health and economic burden globally. These infections are transmitted mainly through sexual intercourse, but are disseminated by the hematogenous route, allowing parenteral and vertical transmission.1

Sexual behavior of risk and prevalence of HIV, syphilis and hepatitis b in students of the police school of coronel oviedo. Year 2018