诺如病毒(Norovirus)是一组杯状病毒属病毒,其原型株诺瓦克病毒于1968年在美国诺瓦克市被分离发现,2002年国际病毒命名委员会将其正式命名为诺如病毒[1]。诺如病毒被认为是引起病毒性胃肠炎暴发疫情的最主要病原,具有发病急、传播速度快、涉及范围广等特点,以肠道传播为主,全年均可发病,冬季高发,常在医院、餐馆、学校和幼托机构等聚集性人群中暴发[2-5]。2012年9—11月,衢州市区发生了3起 Norovirus is a group of Calicivirus, its prototype strain Norwalk virus was isolated in Norwalk, United States in 1968 found that in 2002 the International Committee on the Nomenclature of Viruses formally named Norovirus [ 1]. Norovirus is considered to be the most important cause of outbreak of viral gastroenteritis. It has the characteristics of acute onset, rapid transmission and wide range of spread. It is mainly spread in gut and can be affected throughout the year. Outbreaks occur in clusters of people such as hospitals, restaurants, schools and kindergartens [2-5]. From September to November 2012, there were 3 incidents in downtown Quzhou