诺如病毒感染性腹泻由诺如病毒属病毒引起,诺如病毒传染性强,潜伏期短,冬春季是该病毒感染高发季节,可通过食物、水、生活接触、气溶胶等途径传播[1],具有发病急、传播速度快、涉及范围广的特点,是引起非细菌性腹泻暴发的主要病因。美国每年在所有的非细菌性腹泻暴发中,60%~90%是由诺如病毒引起。1995年,我国报道了首例诺如病毒感染,之后山西、北京、安徽、福州、武汉、广州等地区相继有医院、社区、学校、家庭发生诺如病毒 Norovirus infectious diarrhea caused by the Norovirus virus, Norovirus strong infectious, short incubation period, winter and spring is the season of high incidence of the virus infection, through food, water, life contact, aerosol and other means of transmission [1] , With the onset of acute, fast transmission, involving a wide range of characteristics, is the main cause of non-bacterial diarrhea outbreak. Every year in the United States 60% to 90% of all non-bacterial diarrhea outbreaks are caused by norovirus. In 1995, the first Norovirus infection was reported in China. Norovirus was successively reported in hospitals, communities, schools and families in Shanxi, Beijing, Anhui, Fuzhou, Wuhan and Guangzhou