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1995年7月19日,秦皇岛市北戴河区某疗养院发生一起食物中毒事故。调查结果如下: 1 流行病学调查 1995年7月19日早8:00,秦皇岛市北戴河区某疗养院38名疗养员外出旅游,于中午11:00食用了蛋糕、火腿肠等。当日下午14:00出现首例病人,到18:00共18人发病,发病率47％。临床症状主要表现为腹泻、腹痛伴恶心呕吐。 调查发现,所有中毒病人均在午餐时食用了河南某食品厂生产的火腿肠(90克规格,生产日期为95—7—1或95—7—2),且症状表现程度与食用量基本成正
July 19, 1995, Qinhuangdao Beidaihe District, a sanitarium occurred a food poisoning accident. The survey results are as follows: 1 Epidemiological survey As early as 8:00 on July 19, 1995, 38 convalescers in a nursing home in Beidaihe District, Qinhuangdao City went out for business and used cakes, sausages and ham at 11:00. The first patient appeared at 14:00 on the same day, and 18 patients were affected by 18:00 at a rate of 47%. The main clinical manifestations of diarrhea, abdominal pain with nausea and vomiting. The survey found that all poisoning patients at lunch consumption of a food factory in Henan ham (90 grams specifications, the production date of 95-7-1 or 95-7-2), and the extent of symptoms and consumption of basic positive