Opportunities for providing web-based interventions to prevent sexually transmitted infections in Peru.

HIV is one of the biggest infectious killers worldwide, causing 8,000 deaths a day in 2005 [1]. In Latin America, an estimated 1.8 million people are living with HIV [1], and in 2005, about 66,000 people died of AIDS and 200,000 were newly infected with HIV [1]. In Peru, the HIV/AIDS epidemic has largely been concentrated among men who have sex with men (MSM) and female sex workers [2,3]. The seroprevalence rate for MSM is 10%–22% [3–5], compared to 0.1%–0.4% for the general population [6]. The prevalence of other sexually transmitted infections (STIs) among the MSM population is also high: 13.4% for syphilis and 46.3% for herpes simplex virus type 2 [3]. Even though the HIV/AIDS epidemic is confined to high-risk groups, there is significant risk for a wider HIV spread. A 2005 study in young males from socioeconomically disadvantaged populations showed that at least 14.2% of them had a male sexual partner in the last six months, and 86.3% of those who had a male sexual partner also had female partners in the same period [7]. Most of these young men's sexual encounters with male partners (56.9%) and female partners (84.2%) were unprotected [7].

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