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目的分析本次伤寒暴发的原因及危险因素,为今后防治此类型伤寒及其他肠道传染病提供有益借鉴。方法采用实地调查、采样检测及描述性流行病学方法。结果 2012年11月30日-2013年1月1日共计发生18例伤寒实验室确诊病例,疫情发生前水源水、出厂水和用户末梢水细菌总数和大肠菌群不同程度超标。结论使用不合格水源是引起此起伤寒疫情暴发的原因,通过现场流行病学调查、更改源水、加强水质消毒与监测和传染源管理等综合防控措施,伤寒疫情得到有效控制。
Objective To analyze the causes and risk factors of this outbreak of typhoid fever and provide useful references for the prevention and treatment of this typhoid and other intestinal infectious diseases in the future. Methods The field survey, sampling and descriptive epidemiological methods were used. Results From November 30, 2012 to January 1, 2013, a total of 18 cases of typhoid fever were confirmed in laboratory. Before the outbreak, the total amount of water bacteria, excrement water, and end-user water bacteria and coliform bacteria exceeded the standard. Conclusion The use of unqualified water sources is the cause of the typhoid epidemic outbreak. Epidemics epidemic situation has been effectively controlled through field epidemiological investigation, alteration of source water, strengthening of water quality disinfection and monitoring, and infection source management.