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A syphilis epidemic continues to grow among FSWs in Mongolia. These women are at high risk of HIV transmission if introduced into their sexual networks. With the increase in migration of mining workers in Mongolia, introduction of HIV may be imminent. Efforts to intensify treatment and prevention programmes among FSWs are needed.

This study analyzed patterns and associations of HIV testing including sexual practices, HIV related knowledge, and human rights contexts among MSM in Mongolia. 313 participants were accrued using respondent-driven sampling and administered a structured questionnaire. Descriptive statistics are presented with crude and adjusted-point estimates with confidence intervals (95 % CI); and logistic regression models were used to identify factors associated with HIV testing in the last 12 months. RDS-adjustment demonstrated that 48.9 % (95 % CI = 36.7-58.3) of MSM had an HIV test in the past 12 months. Logistic regression revealed that experience of a human rights violation, enacted (OR = 0.50, 95 % CI = 0.26-0.97) or perceived (OR = 0.56, 95 % CI = 0.26-0.97), was inversely associated with a recent HIV test. Higher level of education (OR = 1.84, 95 % CI = 1.14-2.99), knowledge that anal sex is highest risk for HIV infection (OR = 4.54, 95 % CI = 2.41-8.56), and having 5 or more male sexual partners (OR = 1.82, 95 % CI = 1.00-3.30), were positively associated with a recent HIV test. MSM in Mongolia are at high risk for HIV infection and coverage of HIV testing is suboptimal. Understanding the variable sexual risk practices and barriers to HIV testing are vital to designing effective and relevant HIV-status dependent HIV intervention services.

This study describes HIV and syphilis bio-behavioral survey conducted among 200 men who have sex with men (MSM) recruited via respondent-driven sampling (RDS) between January 4 and February 1, 2012 in Ulaanbaatar, Mongolia. Participants were administered a structured questionnaire and data were analyzed with RDS-network program in STATA. Of 196 participants who agreed to be tested for HIV and syphilis, 21 (10.7 %; weighted 7.5; 95 % CI: 4.9, 11.4) and 8 (4.1 %; weighted 3.4; 95 % CI: 1.7, 6.7) were positive for HIV and syphilis, respectively. Exposure to HIV prevention programs in the last 12 months was reported by 51.8 % (weighted 33.6; 95 % CI: 27.6, 40.1) of participants. This study found high HIV prevalence and limited uptake of HIV prevention services among MSM in Mongolia. Given the concentrated HIV epidemic among MSM in Mongolia, HIV prevention, treatment and care services should focus on MSM as the population group most affected by HIV.