摘要
目的:确定一起感染性腹泻暴发的病因、感染来源,采取针对性措施控制病情蔓延。方法:对涉疫地区的现住居民进行回顾性队列研究,用统一的调查表登记自2009年7月26日以来所有有腹泻或呕吐症状之一者;对涉疫地区的供水系统及部分患者家庭进行现场卫生学调查并面访部分患者。结果:2009年7月26日至8月3日某地区共发生腹泻或呕吐病例651例,罹患率为7.45%;病例分布在同一供水系统的19个居民小区,发病人数最多的是A17小区(91例),最少的是A5和A16小区(分别为8例);发病时间集中在25-29日,占86.6%;发病人群最小年龄2个月,最大年龄82岁,各年龄段均有发病;采集32份患者吐泻物、肛拭子,在2份中检出沙门氏菌E4群,9号井水源水样检出沙门氏菌E4群,1-9号井水质检测菌落总数、总大肠菌群等指标不合格;采取消毒饮用水和健康教育等综合措施后,病情得到有效控制。结论:本次疫情为一起细菌感染性腹泻暴发,可能是因某水厂受污染引起。
Objective： To investigate the etiology and source of an infectious diarrhea outbreak to control the epidemic.Methods： Through the retrospective cohort study,we had surveyed all the residents of distract Y in city X who complained symptoms of diarrhea or vomiting since July 26th,2009,and collected hygiene information on the water supply system and some case-indexed families of distract Y in city X.Results： From July 26th to August third in 2009,651 cases of diarrhea and vomiting were found in distract Y of city X,the morbidity was 7.45 %.The cases were distributed among 19 residential areas who had used tap water S,A17 residential area had the largest number of cases（91 cases）,and A5 and A16 had the least number of cases（8 cases）,respectively.86.6 % of cases appeared from July 25th to 29th.The minimum age of the cases was two months old,the maximum age was 82 years old.The disease had attracted the people of almost different ages.The test of Salmonella E4 group was positive in two samples of vomit,stool and anal swabs from 32 patients and in water source of ninth well.The monitoring data also indicated that the total number of colonies,total coliforms and other index of first to ninth well were disqualified.With the drinking water sterilization and health education,the epidemic had been controlled effectively.Conclusion： The epidemic was a diarrhea outbreak that might be caused by bacterial through drinking the contaminated tap water S.
出处
《包头医学院学报》
CAS
2012年第1期26-28,共3页
Journal of Baotou Medical College
关键词
水污染
腹泻
疾病暴发流行
Water pollution
Diarrhea
Disease outbreaks
