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1998年4月18日中餐,我市郊区某酒家承办孙某婚宴酒席14桌,赴宴140人。傍晚,就餐人员陆续发病,症状为上腹部阵发性绞痛、腹胀、腹泻、畏寒、乏力、恶心、呕吐。潜伏期最短3h,最长44h,发病高峰在12~24h,发病共27人。接到报告后,防疫站立即赶赴现场,对剩余可疑食物及患者排泄物进行采样化验,现报告如下。样品采集与检验1．样品来源:现场采取剩余可疑食物(全鸭,汤鸭、牛肉、清蒸鳊鱼)及菜刀、莱板表面各数份,患者粪便4份。
April 18, 1998 Chinese food, a suburb of the city catering catering Sun table 14 feast, dinner 140 people. In the evening, food workers gradually onset, symptoms of paroxysmal abdominal cramps, bloating, diarrhea, chills, fatigue, nausea, vomiting. The shortest incubation period of 3h, the longest 44h, peak incidence in 12 ~ 24h, a total of 27 patients. After receiving the report, the epidemic prevention station rushed to the scene immediately, the remaining suspicious food and patient excrement sampling test, are as follows. Sample collection and testing 1. Sample source: Take the remaining suspicious foods (whole duck, soup duck, beef, steamed bonito) and choppers on the spot.