The analysis of epidemiological and etiological characteristics in leading forms of acute enteric infections among the population of Kazakhstan is carried out. The age, social and professional factors in development of epidemic process and intestinal infections were observed. 425 tests of feces of persons of various age groups with intestines dysfunction were investigated. Seromonitoring among inhabitants of Almaty and Almaty area by erythrocyte diagnosticum with salmonelesis serogroups A, B, C, D, Е and rare (О-24). Dynamics in occurrence of salmonella antibodies during months of the year was studied.

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Light form of disease flow was observed in 69.3% (9/13) among the patients with acute hepatitis C, and in 77.8% (7/9) among the patients with non verified hepatitis. Detectability of RNA-HGV consists of 77.8% (7/9) and 42.8% (3/7) correspondingly among the patients' groups with light form of disease. All HGV RNA positive patients had 2 times lower content of total bilirubin and ALT in the blood comparing to RNA-HGV negative patients. HGV showed an active (4.7 EA) ability to induce the interferon formation. The C + G hepatitis patients had interferon titer equal to 3.7 EA, which apparently provides relief of hepatitis C clinical picture.

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