19 Dec Since personal resources are limited, the. author could conduct a study in one city only. However, the findings. from this study can provide a general picture of sexual behaviour among men. that focuses on commercial sex and condom use related to HIV/AIDS in other. large cities of Viet Nam. Methodology. 18 Jan Research by the UN in shows that the HIV epidemic in Viet Nam is still in a concentrated phase, with a high prevalence among most-at-risk populations. In the country, female sex workers have the third highest HIV prevalence as a group , after injecting drug users, and men who have sex with men. 19 Dec Background Men who have sex with men in Viet Nam have been under-studied as a high-risk group for HIV infection, and this population's percentage and determinants of HIV testing have not been. 16 May Background. The number of people living with HIV (PLWH) in Vietnam was estimated to rise from , in to , in Although the number of new HIV reported cases has decreased by roughly 14, cases per year from to a concerning increase in HIV prevalence has been. Female sex worker. HCMC. Ho Chi Minh City. HIV. Human immunodeficiency virus. IDU. Injecting drug user. MSM. Men who have sex with men. NGO. Nongovernmental organization. NIHE. National Institute for Hygiene and Epidemiology. PLWHA. People living with HIV/AIDS. SAVY. Survey Assessment of Vietnamese. HIV prevalence of % and % were found among men who have sex with men in Chennai and Mumbai, respectively (NACO, b). people are being infected with HIV each year (Ministry of Health Viet Nam, ), the vast majority of them injecting drug users and persons who buy or sell sex. The use of non- sterile.