2008—2012年南宁市肠出血性大肠杆菌O157:H7监测结果  

Surveillance results of EHEC O157: H7 in Nanning City from2008-2012

作　　者：曾毅[1] 林建燕[1] 黄世美[1] 闭志友[1] 甘文烨[1] 冯景强[1] 潘海西[1] 汤洪洋[1] 

机构地区：[1]广西壮族自治区南宁市疾病预防控制中心传染病防治科,530023

出　　处：《职业与健康》2013年第14期1748-1749,共2页Occupation and Health

摘　　要：目的了解南宁市肠出血性大肠杆菌O157:H7在人群及外环境中的感染情况,为防制工作提供依据。方法 2008—2012年采集南宁市现症腹泻患者、动物宿主粪便标本、市场生熟食品和苍蝇标本,经mEC增菌后用SMAC分离,纯化菌株经生化鉴定、血清分型等方法进行检测。结果在2 139份腹泻患者标本中未检出阳性标本;在3 088份外环境标本中检出阳性标本20份。南宁市肠出血性大肠杆菌O157:H7感染阳性率呈现逐年下降趋势;不同动物粪便肠出血性大肠杆菌O157:H7阳性率不同,以牛粪检出阳性率最高。结论南宁市肠出血性大肠杆菌O157:H7仍有散在的动物感染,应加强对动物粪便的管理及肠出血性大肠杆菌O157:H7的监测工作。[ Objective] To understand the infectious situation of EHEC O157 ：H7 in population and external environment, and pro- vide evidence for its prevention and control. [ Methods] From 2008-2012 in Nanning City, the stool specimens of current diarrhea patients and animal hosts, the raw and cooked food in market and flies specimens were collected, then isolated by SMAC after en- richment through mEC. The purified strains were detected via biochemical identification and serotyping. [ Results] Of 2 139 samples of diarrhea samples, no strain were isolated. Twenty positive samples were detected among 3088 external environment samples. The positive rate of EHEC O157 ： H7 in Nanning City showed a downward trend annually. The positive rate of EHEC O157 ： H7 in differ- ent animal stools was different, with peak in cow dung. [ Conclusion ] There is sporadic animals which are infected by EHEC O157：H7 in Naning City. The management of animal manure and monitoring of EHEC O157 ：H7should be enhanced.

关 键 词：肠出血性大肠杆菌O157 H7 监测 分析 

分 类 号：R446.13[医药卫生—诊断学]