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目的调查分析1起某老人护理院诺如病毒急性胃肠炎暴发的原因,为今后老年人此类疾病的防控提供参考依据。方法采用个案调查收集病例资料,采集部分病例和工作人员肛拭子标本,运用实时荧光定量RT-PCR进行诺如病毒核酸检测。结果 21份肛拭子样本中,19份诺如病毒GⅡ犁核酸阳性,其中11份阳性为发病老人肛拭子样本,8份为工作人员肛拭子样本。结论该疫情是一起由GⅡ型诺如病毒引起感染性腹泻暴发疫情,密切生活接触及未能及时消毒是疫情暴发的主要原因。
Objective To investigate and analyze the causes of an outbreak of acute gastroenteritis of Norovirus in an elderly nursing home to provide references for the prevention and control of such diseases in the elderly in the future. Methods A case investigation was conducted to collect case data, and some cases and staffs were collected for anal swabs. Norovirus nucleic acid was detected by real-time fluorescence quantitative RT-PCR. Results Of the 21 samples of anal swabs, 19 were positive for norovirus GII pili, of which 11 were positive for the incidence of anal swabs in the elderly and 8 were swabs for the staff. Conclusions The outbreak is a major cause of the outbreak of infectious diarrhea caused by GⅡ norovirus infection. Close contact with live and inability to timely disinfection is the main cause of outbreak.