周振清江苏太仓市疾病预防控制中心，江苏太仓　215400



某酒店一起诺如病毒引起的食源性疾病的调查报告

周振清
江苏太仓市疾病预防控制中心，江苏太仓215400

目的调查了解某酒店诺如病毒引起的食源性疾病的暴发情况及原因。 方法采用现场流行病学方法，根据病例定义搜索病例，分析酒店的基本情况、疾病的流行病学特点和实验室检测情况。结果共累计发生28例病例，均为同天在酒店就餐的顾客，患者罹患率为15.1%，平均潜伏期为31.2 h，采集的样品中，有6份粪便样品诺如病毒阳性。结论该事件为一起由诺如病毒引起的食源性疾病，且与酒店存在密切关联。分折原因可能是顾客食用了受诺如病毒污染的生海鲜或其他生吃食品，引起的食源性疾病。

酒店；诺如病毒；食源性疾病；暴发情况；原因分析

［Abstract］Objective To survey and know the occurrence situation and causes of foodborne disease caused by norovirus in some hotel.Methods The field epidemiological method was collected，the cases were searched according to case definition，the basic condition，epidemiological features of diseases and laboratory test situation in the hotel were analyzed.Results Foodborne disease occurred to 28 cases in total，and all of them were customers who had dinner in some hotel on the same day，the attack rate was 15.1%，the average incubation period was 31.2 h，and in the samples collected，there were 6 fecal samples such as positive noroviruses.Conclusion The event that the foodborne disease was caused by norovirus is closely related to the hotel，and the reason is that the customers have eaten the raw seafood or other raw food contaminated by norovirus.

［Key words］Hotel；Norovirus；Foodborne disease；Occurrence situation；Analysis of causes

诺如病毒属于杯状病毒，是一种引起非细菌性急性胃肠炎的病毒，是世界范围内引起病毒性腹泻的主要病原之一［1-3］。诺如病毒存在多种传播途径，可通过食物、水及人与人直接接触等多种途径传播。人群对诺如病毒普遍易感等，导致诺如病毒感染极易形成暴发性胃肠炎［4-6］。近年来，我国许多地区暴发诺如病毒性胃肠炎疫情［7-8］。2014年12月27—28日，陆续有数十人因在某酒店就餐出现腹泻症状，根据流行病学调查、患者临床表现、现场卫生学调查和实验室检查结果，证实为因食用诺如病毒污染的食物而引发的食源性疾病事件。现将调查结果报道如下。

1　资料与方法

1.1一般资料