一起饮用水污染引起感染性腹泻暴发疫情的流行病学调查分析

Investigation and analysis for the epidemiology of the outbreak of infectious diarrhea caused by the drinking water pollution

目的分析引起这起疫情的主要原因,为今后控制感染性腹泻爆发流行提供科学依据。方法采用现场流行病学和实验室检验。结果此次疫情共报告病例279例,罹患率12.51%,病原学检测为肠致泻性大肠杆菌。主要症状为腹胀、腹痛、腹鸣、腹泻、多无发热。疫情发生原因为肠致泻性大肠杆菌污染了管网水所致。结论控制感染性腹泻等肠道传染病爆发疫情,及时发现疫情是前提,措施到位是保障,做到"早、小、严、实"是关键。

Objective Analyze the main reasons of the epidemic and provide scientific evidence for controlling the out- break of the infectious diarrhea in the future. Method Utilize field epidemiological study and laboratory test. Outcome 279 cases are reported in this epidemic, and the attack rate is 12.51%. Enteropathogenic Escherichia coil is confirmed by the etiology detection. Main symptoms are abdominal distension, abdominal pain, borborygmus, and diarrhea. Most of them are no fever. The reason for occurrence of this epidemic is due to the pollution of drinking water by the Escherichia coil. Conclusion For the control of the outbreak of intestinal infectious disease such as infectious diarrhea, detecting the epidemic in time is of first importance. Taking effective action is guarantee, and achieving the ＂early, small, strict and actual＂ is the key point.