• Andrea L Wirtz, Anna Kirey, Alena Peryskina, Fabrice Houdart, and Chris Beyrer.
• Johns Hopkins Bloomberg School of Public Health, USA; Johns Hopkins Medical Institute, USA. Electronic address: awirtz@jhsph.edu.
• Drug Alcohol Depend. 2013 Nov 1; 132 Suppl 1: S17-24.

BackgroundResearch among people who inject drugs (PWID) in Central Asia has described same sex behavior among male PWID and may be associated with HIV and other infections. Little is known about the population of men who have sex with men (MSM) and the burden of HIV among MSM in Central Asian countries.MethodsWe conducted a comprehensive search of peer-reviewed publications and gray literature on MSM and HIV in the region. Search strategies included terms for MSM combined with five Central Asian countries and neighbors, including Mongolia, Afghanistan, and Xinjiang Province, China.Results230 sources were identified with 43 eligible for inclusion: 12 provided HIV prevalence and population size estimates for MSM, none provided incidence estimates, and no publications for Turkmenistan were identified. National reports estimate HIV prevalence among MSM to range from 1 to 2% in Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Xinjiang, to 10% in Mongolia. Biobehavioral studies estimated HIV prevalence at 0.4% in Afghanistan and 20.2% in Kazakhstan. Sexual identities and behaviors vary across countries. Injection drug use was relatively low among MSM (<5% for most). Non-injection drugs, alcohol use prior to sex, and binge drinking were more common and potentially associated with violence. Criminalization of homosexuality (Afghanistan, Uzbekistan, and Turkmenistan) and stigma has limited research and HIV prevention.ConclusionImproved understanding of risks, including potential linkages between sexual exposures and substance use, among MSM are important for response. The little known about HIV among MSM in Central Asia speaks to the urgency of improvements in HIV research, prevention, and care.Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

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