3起肠致病性大肠埃希菌造成感染性腹泻爆发疫情的流行病学分析

目的对我市2005-2007年报告的3起由致病性大肠埃希菌感染性腹泻爆发疫情进行流行病学分析,为该类疫情的预防控制提供依据。方法运用回顾性流行病学分析法对我市2005-2007年报告的3起由致病性大肠埃希菌感染性腹泻爆发疫情进行分析,相关资料录人计算机,用Excel软件进行统计分析。结果①2005-2007年共发生3起由致病性大肠埃希菌感染性腹泻爆发疫情,占细菌性食源性疾病总数的6.98%。②发生高峰季节是春、夏和秋季。③人群年龄、性别和职业无特异性。④潜伏期最短的6h,最长的6d;临床症状以腹痛、腹泻为主。⑤传播方式以粪-口途径、人-人接触,食物、水源传播为主。结论我市致病性大肠埃希菌感染性腹泻发病率水平较高,且卫生管理上存在监管未到位等薄弱环节;提示今后应加强监督管理,提高自身检验能力,同时要在高峰季节前做好预防该类疫情的关键控制点的健康教育工作。

Epidemiological analysis of 3 cases of infectious diarrhea caused by Enteropathogenic E.coli

Objective To analysis of 3 cases of infectious diarrhea which caused by Enteropathogenic E.coli,and provide evidences for prevention and control this kinds of epidemic.Method Using retrospective epidemiological analysis for analyzing the epidemic situation from 2005 to 2007 in our city,correlated data was recorded to computers and analysis by Excel.Results ① During 2005 to 2007,there were 3 cases of infectious diarrhea which caused by Enteropathogenic E.coli,and accounted for 6.98% of all bacterial food origin disease.② The peak time of the disease were spring,summer and autumn.③There were no specificity on age,gender and profession of poisoning people.④The shortest incubation period was 6 hours,the longest was 6 days,clinical symptoms were abdominal pain and diarrhea.⑤The dissemination ways were that fecal to oral way,people to people contact,food,water,spread primarily.Conclusions The incidence rate of pathogenic escherichia coli infective diarrhea was at higher levels in our city,and custody was not enough in health supervision.So strengthen supervision and management in the future,improve inspection ability were need,at the same time,done well the health education work of prevention and control the disease at the peak time.