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Aim. Of the study is to assess HIV prevalence in the vulnerable groups namely injecting drug users (IDU), sex workers (SW), and men who have sex with men (MSM) in some of the largest Russian regiоnal capitals mostly affected by HIV infection. Materials and methods. The study involved 3744 persons from vulnerable groups enrolled by respondent-driven sampling (RDS) or time-location sampling (TLS). The study was undertaken in seven regions of the Russian Federation: Moscow, St.-Petersburg, Yekaterinburg, Krasnoyarsk, Kemerovo, Tomsk and Perm. All participants were interviewed using specially designed questionnaire and then tested for HIV. The retrospective cohort method was applied to evaluate the number of new HIV cases among respondents. Results. HIV prevalence in IDUs ranged from 48.10% [95% confidence interval (CI)=] in Krasnoyarsk and 75.20% [95%CI=] in Kemerovo. HIV prevalence among sex workers varied from 2.32% [95%CI=] in St. Petersburg to 15.01% [95%CI=] in Perm. HIV prevalence among MSM ranged from 7.10% [95%CI=] in Moscow to 22.80% [95%CI=] in St.-Petersburg. Conclusion. The number of new HIV infections estimated by the retrospective cohort method indicated rapid spread of HIV infection among IDUs in all cities except St.-Petersburg, relatively high HIV growth rates among MSM ranging from 1.6% per year [95%CI=0.1... 3.1%] to 4.6% per year [95%CI=0.0... 11%] and 12.3% annual HIV growth rate [95%CI=0.0... 28.3%] among sex workers. Generally, the situation in the studied groups remained adverse and called for more intensive prevention activities in vulnerable populations.

About the authors

S. L. Plavinskiy

Mechnikov North-Western State Medical University

Author for correspondence.
Russian Federation

N. N. Ladnaya

Central Research Institute of Epidemiology

Russian Federation

E. E. Zaytseva

Open Health Institute Foundation

Russian Federation

A. N. Barinova

Mechnikov North-Western State Medical University

Russian Federation


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Copyright (c) 2018 Plavinskiy S.L., Ladnaya N.N., Zaytseva E.E., Barinova A.N.

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