摘要
目的调查分析长沙市某学校一起食源性疾病事件,为类似事件提供处置经验。方法描述本次事件病例的流行病学特征,通过病例对照研究分析可疑食品;通过现场卫生学调查和实验室检测查找致病因子和污染食物。结果共调查发现疑似病例54例,临床表现以腹泻(100%)、腹痛(92.59%)、发热(88.89%)为主。潜伏期为2.5~51 h,中位数13 h。病例对照分析表明2022年5月1~3日盐酥鸡店的套餐是可疑高危食物。14例病例的粪便/肛拭子样本和3批次食品样品均检出沙门菌,经脉冲场凝胶电泳分子溯源表明来自相同感染源,均为布伦登卢普型。结论该事件是一起由布伦登卢普型沙门菌感染引起的食物中毒事件,可疑食物为水煮蛋和土豆丝。建议市场监督局加强对学校周边餐馆的监督,餐饮单位提高食品卫生知识,规范操作流程。
Objective To provided reference for the disposal of similar incidents in the future,a food poisoning incident at a school in Changsha City was analyzed.Methods The epidemiologic characteristics of the incident was described,the suspicious food through case-control study was analyzed,food hygiene investigation and laboratory test to find pathogenic factors and contaminated food were conducted.Results A total of 54 suspected cases were found,and the clinical manifestations were mainly diarrhea(100%),abdominal pain(92.59%)and fever(88.89%).The incubation period of the disease was 2.5-51 h,with a median of 13 h.The case-control analysis showed that food sets of the Salt Crispy Chicken Shop between May 1 and 3,2022 were suspected high-risk foods.Salmonella was detected in anal swab samples of 14 cases and 3 batches of food samples.The molecular typing analysis of the positive strains isolated by pulse gel electrophoresis showed that they came from the same source of infection and were all Braenderup type.Conclusion The incident was a food poisoning incident caused by Salmonella Braenderup infection,and the suspected food was boiled eggs.It is suggested that the Market Supervision Bureau should strengthen the supervision of restaurants,the restaurants should improve food hygienic knowledge and standardize the operation process.
作者
马迪辉
李菁苹
苏良
曹可珂
童瑾
张劲夫
廖瑜
张恒
MA Dihui;LI Jingping;SU Liang;CAO Keke;TONG Jin;ZHANG Jinfu;LIAO Yu;ZHANG Heng(Changsha Center for Disease Control and Prevention,Hu’nan Changsha 430000,China;Changsha Yuelu District Center for Disease Control and Prevention,Hu’nan Changsha 430000,China)
出处
《中国食品卫生杂志》
CSCD
北大核心
2024年第4期486-490,共5页
Chinese Journal of Food Hygiene
关键词
沙门菌
食源性疾病
事件
可疑食品
Salmonella enteritidis
foodborne disease
events
suspicious food
