一起学校水源污染引起菌痢暴发疫情的调查

Survey of a bacillary dysentery outbreak caused by contaminated water in a school

摘要: 2010年10月,浙江省衢州市衢江区某乡镇中心学校发生一起水源污染引起的细菌性痢疾暴发疫情,共发病178例,无死亡病例,罹患率为13.8%,疫情波及小学部22个班级、幼儿园部2个班级和一些教职员工。细菌学检测显示水源细菌总数、大肠菌群、耐热大肠埃希菌均超标,采集的58份肛拭标本,37份检出宋内志贺菌,阳性率为63.79%。

Abstract: In October 2010,an outbreak of bacillary dysentery caused by contaminated water occurred in a school in Qujiang district, Zhejiang province. A total of 178 cases were reported without death. The attack rate was 13.8%. The outbreak affected students in 24 classes. The bacterial detection of source water indicated that total bacterial count, coli group and heat-resistant Escherichia coli indicator were all exceed the limits. Shigella sonnei was detected in 37 of 58 anal swabs collected from the patients, the detection rate was 63.79%.