An analysis of a foodborne illness outbreak caused by Salmonella typhimurium in a rural self-hosted banquet in Yaodu District, Linfen City, Shanxi Province

ObjectiveTo investigate and analyse a foodborne disease outbreak caused by food contaminated with Salmonella typhimurium at a rural home-hosted banquet， and to provide a basis for the management of similar incidents in the future.MethodsData analysis on the outbreak of foodborne diseases caused by Salmonella typhimurium at a rural self-run banquet in Yaodu District， Linfen City， Shanxi Province in April 2019.ResultsA total of 41 cases were searched and the incidence rate was 14.64% （41/280）. The main clinical manifestations were abdominal pain （95.12%）， diarrhea （92.68%）， nausea （34.15%） and dizziness （31.71%）. The epidemic curve showed point source exposure， case-control and single-factor analysis showed that cold pork head meat （OR=3.85，95% CI：1.52-9.75） was suspected food. Salmonella typhimurium was detected in the stool sample of the three patients， which was consistent with the clinical symptoms and incubation period of the patients.ConclusionThis was an outbreak of foodborne illness caused by the consumption of pork head meat contaminated with Salmonella typhimurium.