The spread of some coliform bacteria in foods, the faeces of children and adults and in human environment was studied, and the evaluation of their toxigenic potential and serological properties was given. More then 160 strains of enterobacteria including 70 strains of Escherichia spp were described. The frequency of detection enterotoxigenic E. coli in foods--18%--was approximately similar an amount of ETEC strains which was isolated in humans (22%). 3 strains of E. coli) 157 were found in foods and in clinical samples (1.9%). The observed results have confirmed the proposal about the increasing of ETEC E. coli food-borne transmitting and dissemination its in the environment.
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