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目的探讨1起社区感染性腹泻暴发的特点和原因。方法采用现场流行病学调查分析和实验室检测方法。结果 2009-10-23/30,该社区发生感染性发现病例97例,罹患率为9.28%,病例最小1岁,最大89岁,<2岁组罹患率最高53.13%(17/32),病例呈一定的家庭聚集性,病例的临床表现基本相同,以腹泻、呕吐、腹痛、恶心、腹胀和发热等症状为主。从12例患者粪便和2份管道末梢水中检测到诺如病毒抗原。结论本次疫情为1起诺如病毒污染水源引起的感染性腹泻暴发,建议市政水直接提供社区一切生活饮用水。
Objective To investigate the characteristics and causes of an outbreak of community-acquired diarrhea. Methods Epidemiological investigation and laboratory testing methods were used. Results In the community, 97 cases of infectious cases were found, the attack rate was 9.28%, the case minimum was 1 year old and the maximum was 89 years old. The highest attack rate was 53.13% (17/32) in <2 years old group. The cases A certain degree of family aggregation, the clinical manifestations of cases are basically the same, with diarrhea, vomiting, abdominal pain, nausea, bloating and fever and other symptoms based. Norovirus antigens were detected in 12 patients’ feces and 2 ducts. Conclusion The outbreak is an outbreak of infectious diarrhea caused by Norovirus virus. It is suggested that municipal water supply all living drinking water directly in the community.