The data are presented on an outbreak of salmonellosis induced by S. enteritidis. Gastrointestinal symptoms were recorded in 97.8% of 90 patients, 2.2% of them developed a generalized form. The disease ran a moderate course in 84.5% and a severe course in 2.2% of the patients majority of whom suffered from intoxication and dehydration. The therapeutic response was achieved upon rehydration treatment with crystalloid solutions.