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2007年4月24日,桐庐县某大厦总经理办公室人员7人,于上午10:30,食用该大厦餐饮部提供的职工餐后,于12:00~12:30发生5人呕吐、胃部不适有抽痛感,无腹泻。投诉于卫生监督所,于15:30检验人员随行监督所进行调查和采样。潜伏期1~2 h。病程3~5 h,未经治疗,症状逐渐消失。1材料与方法
April 24, 2007, Tonglu County, general manager of a building office staff of 7 people, at 10:30 am, eating the building catering department staff meals, 12: 00 ~ 12: 30 occurred in 5 vomiting, stomach Discomfort with cramps, no diarrhea. Complaint at the Health Authority, at 15:30 inspectors accompanied by the Surveillance Office survey and sampling. Incubation period 1 ~ 2 h. Course of 3 ~ 5 h, untreated, the symptoms gradually disappear. 1 materials and methods