Epidemiology of three coinfections: HIV, viral hepatitis and tuberculosis in the Vologda region as a model of infection development in the northwestern federal district

Purpose. To assess epidemiological situation of three co-infections: HIV, CVH and tuberculosis in Vologda region in comparison with neighboring territories of Northwest region. Materials and methods. The data of epidemiological study of the area of HIV infection, reports on «Causes of mortality of HIVinfected », data of statistic surveys: form No. 61 «Data on HIV-infected», form No. 33 «Data on infected with tuberculosis», form No. 8 «Data on infected with active tuberculosis», form No. 1 «Personal record of patient suffered from tuberculosis coinfected with HIV-infection» in Vologda region and some of its districts as well as materials of Northwestern Federal District within the Regional HIV were studied. Results and discussion. Within the territory of Vologda region, earlier marked out tendency to increasing and spread of HIVinfection as well as tendency to reducing the disease burden of tuberculosis and hepatitis C virus still persist. This tendency is typical for northwest Russia and some of its territories. Co-morbidity is common for pair combination of infections and is less common for three infections in one person. Severe forms of HIV-infection in the course of clinical manifestations in combination with tuberculosis and hepatitis define a high rate of morbidity and mortality. Revealed epidemic regularities of the last years are concurrent with cross-border regions in the East and South from the Northwest.