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目的探讨2 0 0 4年广州市番禺区一起由诺瓦克样病毒引起的学校胃肠炎疫情暴发特征。方法采用现场流行病学调查方法,对该起疫情进行调查分析。结果该起疫情共报告病例30例,其中3例患者的粪便或肛拭标本检出诺瓦克病毒抗原。结论本次胃肠炎暴发疫情由诺瓦克样病毒引起,传染来源尚未查明。
Objective To investigate the characteristics of school gastroenteritis outbreak caused by Norwalk-like virus in Panyu District, Guangzhou City in 2004. Methods Epidemiological survey method was used to investigate the epidemic situation. Results A total of 30 cases were reported during the outbreak. Norvo virus antigens were detected in the stool or anus swab in 3 of the 3 patients. Conclusion The outbreak of gastroenteritis was caused by Norwalk-like virus and the source of infection has not been identified.