目的了解金山区诺如病毒聚集性胃肠炎疫情的流行病学特征。方法对2014年金山区诺如病毒胃肠炎疫情和病原学检测结果进行统计分析,运用Excel2007和SPSS17.0处理数据。结果共处理7起疫情,累计病例187例,罹患率介于16.67%~72.97%之间,平均罹患率48.32%;疫情发生在小学(占57.14%)、中学、养老院、托幼机构(各占14.29%);7起疫情均发生在冬季;病例临床表现以呕吐(89.30%)、腹痛或腹部不适(53.48%)为主;诺如病毒聚集性胃肠炎疫情的持续时间与疫情非及时处理(首例病例发病时间-首次介入调查时间间隔)之间呈正相关(rs=0.96,P=0.0005);5起疫情由GⅡ诺如病毒感染引起,2起由GⅠ诺如病毒感染引起;1起疫情由食品污染所致,其余6起以人-人密切接触的途径传播。结论 GⅡ型诺如病毒为金山区聚集性胃肠炎疫情的主要病原体,冬季是好发季节,学校、托幼机构和养老院是诺如病毒防治重点场所。 Objective To understand the epidemiological characteristics of norovirus viral gastroenteritis in Jinshan District. Methods The epidemiological and etiological test results of norovirus gastroenteritis in Jinshan district in 2014 were analyzed statistically. The data were processed with Excel2007 and SPSS17.0. Results A total of 7 outbreaks were treated, with a total of 187 cases. The attack rate ranged from 16.67% to 72.97%, with an average attack rate of 48.32%. Outbreaks occurred in primary schools (57.14%), secondary schools, nursing homes and nurseries 14.29%). Seven outbreaks occurred in winter. The clinical manifestations included vomiting (89.30%), abdominal pain or abdominal discomfort (53.48%), and the duration of norovirus viral enterocolitis was out of date (Rs = 0.96, P = 0.0005); five outbreaks were caused by Gnoviruses infection and two were caused by Gnorovirus infection; one from The outbreak was caused by food contamination and the remaining 6 were transmitted in close man-to-man contact. Conclusion Norovirus GⅡ is the main pathogen of the cluster gastroenteritis in Jinshan district. Winter is the predominant season. Schools, nurseries and nursing homes are the key sites of Norovirus prevention and treatment.