东台市肠出血性大肠埃希菌O157感染监测  

The Surveillance of Escherichia Coli O157 Infection in Dongtai City

作　　者：吴银华[1] 阮凌霆 蒋力[1] 季月[1] 王迎庆[1] 万亚军[1] 吉根娣 开学俊 

机构地区：[1]东台市疾病预防控制中心,江苏224200

出　　处：《中国预防医学杂志》2005年第1期30-32,共3页Chinese Preventive Medicine

摘　　要：目的　为掌握肠出血性大肠埃希菌O15 7在东台市家禽、家畜中的带菌,腹泻病人中的感染和自来水厂水源水中的污染情况。方法　2 0 0 0 -2 0 0 2年,分别在流行季节采集家禽、家畜和腹泻病人粪便及自来水厂水源水,应用免疫磁珠浓集、山梨醇麦康凯平板分离、生化和血清学反应进行鉴定。结果　3年间东台市采集的6种动物粪便有4种中检出肠出血性大肠埃希菌O15 7,其阳性率牛为11 .3 2 %、羊为10 . 5 8%、猪为9. 3 5 %、鸡为7 .73 %。腹泻病人的阳性率为1 .5 7%。采集的178份自来水厂水源水、60只苍蝇标本中均未分离出肠出血性大肠埃希菌O15 7。3株自动物粪便分离株具有至少2种混合型毒力基因。75株肠出血性大肠埃希菌O15 7菌株对15种抗生素存在不同的耐药率。结论　东台市家禽、家畜和腹泻病人中存在肠出血性大肠埃希菌O15 7感染,且存在流行的潜在危险。Objective To survey prevale nce of E.coli O157 in animal hosts,patients of diarrhea and water. Methods During the E.coli O157 infective p eriod in Dongtai,faeces of animal hosts,patients of diarrhea and water of well head were collected in surveillance spots in the year 2000-2002.Bacterums in th e enrichment medium(mEC) were gathered with IMS, inoculated on sorbitol MacConK ey agar,and then did the biochemical and seroligical indentification. Rusults 70 strains of E.coli O157 were separated from faeces of 4 kinds of animal hosts in 6 kinds.The posit ive rates of cattle,sheep,pigs and chickens were 11.32%,10.58%,9.35% and 7.73%,respectively.Meanwhile the patients of diarrhea was 1.57%.No strain s of E.coli O157 were isolated from the fries-house and water of w ellhead.3 strains of them isolated from animal hosts had violent factors which was divided into 2 types at least.The rate resistant of bacterial strains showe d different to 15 antibiotics. Conclusion The infection with E.coli O157 exists among domestic animals,fowl and pat ients of diarrhea.There is a potential risk of epidemic of E.coli O157 i nfection in Dongtai.

关 键 词：大肠埃希菌O157 东台市 感染监测 肠出血性大肠埃希菌 自来水厂 O157菌株 O157感染 动物粪便 2002年 血清学反应 水源水 污染情况 流行季节 免疫磁珠 腹泻病人 毒力基因 潜在危险 阳性率 家禽 家畜 采集 人粪便 山梨醇 混合型 分离株 耐药率 抗生素 人中 

分 类 号：R181.8[医药卫生—流行病学]