Results of studying group acute intestinal diseases of obscure (from the point of view of isolation of commonly known pathogenic bacteria of enteric family) etiology coursing by the type of food poisoning, in which conditioned pathogenic enterobacteria (Enterobacter cloacae, Klebsiella) demonstrated that the occurrence of these diseases was connected with ingestion of the same food product infected with the mentioned bacteria due to disturbance of the sanitary-epidemic regimen and rules of food storage. Carrier stage of conditioned pathogenic bacteria identical to those isolated from the patients was noted in contacts by the factor of infection transmission. Accumulation of factual material is necessary to solve the role played by conditioned pathogenic enterobacteria in such diseases.
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