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目的分析1起学校学生诺瓦克样病毒性胃肠炎暴发的流行病学特征,为制定防制措施提供科学依据。方法开展现场流行病学调查并对采集标本进行实验室检测。结果共发生病例27例,罹患率3.87%;采集17份肛拭子和2份粪便标本,2份粪便样品检测出诺瓦克样病毒。结论此次疫情为感染诺瓦克样病毒而引起的1起群体性急性胃肠炎暴发。
Objective To analyze the epidemiological characteristics of a Norwalk-like virus gastroenteritis outbreak in school students and provide a scientific basis for making prevention and control measures. Methods To carry out on-site epidemiological investigation and to collect the specimens for laboratory testing. Results A total of 27 cases were found with an attack rate of 3.87%. 17 samples of anal swabs and 2 stool samples were collected and 2 stool samples were detected for Norwalk-like virus. Conclusions The outbreak was caused by a group of acute gastroenteritis outbreaks caused by infection with Norwalk-like virus.