An outbreak of gastroenteritis and fever due to Listeria monocytogenes in milk

摘要: Background After an outbreak of gastroenteritis and fever among persons who attended a picnic in Illinois, chocolate milk served at the was found to be contaminated with Listeria monocytogenes. Methods In investigating this outbreak, we interviewed people about what they ate their symptoms. Surveillance for invasive listeriosis initiated states that receive from implicated dairy. Stool samples were cultured L. Serum tested IgG antibody listeriolysin O. Results Forty-five had symptoms met case definition illness due monocytogenes, cultures stool 11 yielded organism. Illness week after associated consumption milk. The most common diarrhea (present 79 percent cases) (72 percent). Four hospitalized. median incubation period infection 20 hours (range, 9 ...