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2005年9-10月浙江省某县霍乱流行,外来人口发病占全部病例的85．9%。现将调查结果报告如下。1．对象与方法：现场调查依照病例定义在重点地区逐户搜索和调查,医疗机构开展腹泻病例监测。病例定义：2005年9月以来居住或来本地工作、生活的人群,腹泻＞3次/天,粪便性质改变或伴有呕吐、脱水、循环衰竭及肌肉痉挛(特别是腓肠肌)的病例。病例对照研究采用霍乱个案调查表对病例回顾性调查,根据初步假设补充调查。病例组为确诊病例和带菌者,对照组为二次粪检阴性的房东和同院(同楼)内的邻居(同事)。统计学分析采用Epi Iofo 3．3．2软件。
From September to October 2005, cholera epidemic occurred in one county in Zhejiang Province, accounting for 85.9% of the total cases. The survey results are reported below. 1. Subjects and Methods: On-site surveys were searched and investigated on a case-by-case basis in households in key areas, and medical institutions conducted case surveillance of diarrhea. Case definition: Persons living or working in or living in the area since September 2005, with diarrhea> 3 beats / day, changes in faecal properties or with vomiting, dehydration, circulatory failure, and muscle spasms, especially gastrocnemius. Case-control study A case-by-case survey was conducted using a cholera case questionnaire and the survey was supplemented based on preliminary hypotheses. Cases were confirmed cases and carriers, the control group for the second fecal negative and landlord (same building) neighbors (colleagues). Statistical analysis using Epi Iofo 3.3.2 software.