2001年10月11日,某专科学校门诊腹泻病人突然比通常增加了2倍,接到报告后,区疾病预防控制中心立即到现场进行调查和处理,现将情况汇总如下。1 流行病学调查 某专科学校共有4个年级48个班级,约2145名学生,247名教师。学校有一个食堂(简称“大食堂”),一个外包的“申坤饮食站”(简称“小食堂”),分别有炊事员24名和8名,两个食堂均供应早、中、晚餐,不对外供应。 On October 11, 2001, a specialist outpatient diarrhea patient suddenly increased twice as often. After receiving the report, the district CDC immediately went to the scene for investigation and handling. The situation is summarized as follows. Epidemiological survey A specialist school a total of four grades 48 classes, about 2145 students, 247 teachers. The school has a canteen (referred to as the “big canteen”), an outsourced “Shen Kun catering station” (referred to as “canteen”), respectively, 24 and 8 cooks, two canteen for breakfast, lunch and dinner, External supply.