EPIDEMIOLOGICAL FEATURES OF HIV INFECTION IN MODERN CONDITIONS ON THE EXAMPLE OF THE SAMARA REGION)
High spread of HIV infection (more than 0,5% among the population) was registered in 26 regions of the Russian : Federation, where 41,5% of the country's population live. Aim - to estimate the dynamics of the spread of HIV infection in the region that used to be among the regions most affected by HIV-infection in the Russian Federation; to determine the state of HIV infection among women and children. Materials and methods. The official reporting data ; of the State Regional Clinical Hospital "Samara Regional Center for the Prevention and Control of AIDS and : Infectious Diseases" were used. Results. As of 1 January 2017, Samara region is on the 13th place in terms of morbidity due to HIV (104.1 per 100 000 population). Increase in the birth rate of children born from HIV-infected mothers has been observed since 2002 (10,365 children were born in the Samara Region : since the beginning of the epidemic). The diagnosis of "HIV infection" was confirmed in 494 children. Conclusion. Characteristic features ofthe HIV epidemic in the Samara region are: the greatest prevalence of disease in the big cities of the region with further expansion into smaller towns and rural areas. There is the predominance of the sexual mode of transmission at present time. Evolution of the infection is manifested by an increase in the number of infected women, which account for about 40,0% of HIV cases. The rate of detectable HIV infection in pregnant women is growing at a consistently high level, and the proportion of births among HIV-infected pregnant women is increasing. The total cumulative percentage of perinatal HIV infection was 4,8% (0.8% - in 2016).