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我市卫生局公共卫生监督所受理了一起发生在市区某酒家,但在责任人认定上有争议的疑似食物中毒案件。经立案查明,投诉人的食物中毒事实成立,聚餐者38人,经调查核实的中毒人数为6名,投诉人自带食物引起中毒的可能性经确切概率法分析,结果提示可以排除,遂确定事故责任人是该酒家。该案情节复杂,兹报道如下。流行病学调查1．中毒案概况:1997年8月20日18时左右,周某在市区某中型酒家摆设酒席4桌,宴请诸宾客38人。次日14时起,据投诉人反映,有14名食客先后发生以腹痛腹泻为主要症状的不良反应。2．临床资料:据6名接受过诊治的病人统计。(1)潜伏期:最短潜伏期为20小时,最长为
Public Health Surveillance of the Municipal Health Bureau accepted a case of suspected food poisoning that occurred in a restaurant in the urban area but was found controversial by the responsible persons. After investigation, the complainant’s food poisoning fact was established. 38 people attended the dinner meal. The number of people poisoned by the investigation was 6, and the probability of food poisoning caused by the complainant was analyzed by the exact probability method. The result indicated that the food poisoning could be ruled out. Determine the person responsible for the accident is the restaurant. The case is complicated and I hereby quote the following. Epidemiological survey. Overview of poisoning case: At about 18 o’clock on August 20, 1997, Zhou in the urban area a medium-sized restaurant posting table 4, banquet guests 38 guests. As from the 14th of the next day, it was reported by the complainant that 14 diners had adverse reactions that had abdominal pain and diarrhea as the main symptoms. 2. Clinical data: According to the statistics of 6 patients treated. (1) incubation period: the shortest incubation period of 20 hours, the longest