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中文摘要: 目的 调查南昌市某小学出现的以呕吐、腹泻为主的感染性胃肠炎的感染来源、传播途径和危险因素，为有效防控疫情提供理论依据，为类似疫情现场处置提供经验。方法 按照病例定义开展病例搜索，对病例进行回顾性调查，描述其三间分布特征，调查可疑因素。采集病例的呕吐物、肛试样本；运用RT-PCR法对样本进行诺如病毒核酸检测。结果 此次疫情累计发生诺如病毒感染34例，历时4天，总罹患率为3.24%，采集病例呕吐物及肛试样本共13份，4份GⅡ型诺如病毒核酸阳性。结论 本次事件是一起由诺如病毒感染引起的暴发疫情，切断传播途径是防控关键。
Abstract:OBJECTIVE To investigate the infection sources, transmission routes and risk factors of infectious gastroenteritis mainly caused by vomiting and diarrhea in a primary school in Nanchang city, so as to provide theoretical basis for effective prevention and control of the epidemic situation, and provide experience for the on-site treatment of similar epidemic situation. METHODS Case search was conducted according to case definition, retrospective investigation was conducted on cases. Distribution characteristics of the three cases were described, and suspicious factors were investigated. Vomit and anal samples were collected. Norovirus nucleic acid was detected by RT-PCR. RESULTS The outbreak has occurred, such as virus infectious diarrhea in 34 cases. The outbreak lasted for four days, and the morbidity was 3.24%. It collected 13 cases of vomit and anus test sample, and 4 samples were positive CONCLUSION This case was an outbreak caused by norovirus infection. Cutting off the transmission route was the key to prevention and control.
keywords: norovirus outbreak elementary school investigation
文章编号：3202003147 中图分类号：R511 文献标志码：
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