It has been estimated that 448 million new cases of STI occur around the world in 15- to 49-year-old adults every year; these are especially caused by syphilis, gonohorrea, chlamydia and trichomoniasis, without including cases of human immunodeficiency virus HIV and/or other STI 1.
Se ha estimado que cada año ocurren 448 millones de casos nuevos de ITS en adultos de 15 a 49 años a nivel global.