摘要
目的调查了解某幼儿园诺如病毒污染引起的急性胃肠炎暴发情况及原因。方法利用现场流行病学方法对暴发幼儿园的卫生状况、疾病的流行病学和实验室检测结果进行分析。结果共发生17例病例,其中儿童15例、老师2例,幼儿园总罹患率为4.86%(17/350)。检测病例肛拭子3份、粪便4份、呕吐物2份,9份样本均为诺如病毒核酸阳性;检测未患病儿童肛拭子2份,均为诺如病毒阴性;采集幼儿园两批次剩余桶装水,其中部分(5/7)桶装水菌落总数、大肠菌群超标。结论根据现场调查,结合流行病学特点和实验室检查结果,确定为一起由诺如病毒引起的急性胃肠炎暴发疫情。
Objective To investigate a diarrhea outbreak caused by norovirus, and find the reason of outbreak in a nursery school. Methods Field epidemiology method was used to analyze the basic situation of the nursery school as well as the epidemiology situation of disease and the laboratory test results. Results A total of 17cases were found, including 15 children and 2 teachers, the attack rate of this nursery school was 4. 86% （17/350） . Detected anal swab 3 samples, faeces 4 samples, vomitus 2 samples, 9 specimens of cases were norovirus positive, while 2 specimens of health children were norovirus negative. Collected 2 batches of left bottled water, among which total number of colonies and coliforms were exceeding standard in several water samples （5/7） . Conclusions Field epidemiology survey and laboratory results indicate that the event is an infectious diarrhea outbreak caused by norovirus.
出处
《医学动物防制》
2014年第10期1121-1123,共3页
Journal of Medical Pest Control
关键词
急性胃肠炎
腹泻
诺如病毒
桶装水
Acute gastroenteritis
Diarrhea
Norovirus
Bottled water
