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目的确定腹泻病暴发疫情的性质与发生原因。方法对2011年7月发生在济南市某商务酒店的一起腹泻病暴发事件进行调查。结果 2011年7月20日18:00至21日8:00,在济南市某商务酒店培训就餐的120人中有41人出现腹痛、腹泻,罹患率为37.14%,怀疑系食用20日午餐食品所致。从酒店厨房的1份菜板样中检出副溶血性弧菌,从3份接种有病人粪便标本的碱性蛋白胨水和4份病人粪便(肛拭)样本中检出副溶血性弧菌,8株副溶血性弧菌耐热直接溶血素基因(TDH)均为阳性。结论这是1起由副溶血性弧菌引起的食物中毒,引起中毒的食物及其污染来源未能查清。
Objective To determine the nature and causes of outbreaks of diarrhea. Methods A case of outbreak of diarrheal disease in a business hotel in Jinan City was investigated in July 2011. Results On July 20, 2011, from 18:00 to 21:00, at 8:00, 41 out of 120 people trained in a business hotel in Jinan experienced abdominal pain and diarrhea with an attack rate of 37.14%. It was suspected that the consumption of lunch food on the 20th Due. Vibrio parahaemolyticus was detected from 1 chopping board in the hotel kitchen and Vibrio parahaemolyticus was detected from 3 samples of alkaline peptone inoculated with a patient’s stool sample and 4 samples of the patient’s feces (anal swab) 8 strains of Vibrio parahaemolyticus heat-resistant hemolysin gene (TDH) were positive. Conclusion This is a food poisoning caused by Vibrio parahaemolyticus. The food poisoning and its source of contamination were not identified.