摘要
目的分析活禽市场休市对疫情的影响作用,为制定人感染H7N9禽流感控制措施提供依据。方法采用描述性流行病学方法对2014年疫情资料分析,并对活禽市场休市后报告病例感染来源分析。结果 2014年报告人感染H7N9禽流感病例87例,1月是疫情高发平台期,病例年龄平均(56.1±17.7)岁,病例分布在9市39县(区),其中疫情严重县(区)17个,报告病例数占74.7%。66.7%的病例居住在农村。杭州、绍兴、宁波3个高发地区活禽市场休市后报告26病例,其中18例在休市前暴露,7例为活禽市场外的其他暴露,1例无活禽或市场暴露。结论及时识别疫情严重县(区)并采取活禽市场休市制度能有效控制疫情。
Objective To understand the influence of closure of live poultry markets on epidemic of human infection with avian influenza A（H7N9） virus in Zhejiang province and provide evidence for the prevention and control of human infection with H7N9 virus. Methods Descriptive epidemiological analysis was conducted on the incidence data of human infection with H7N9 virus in Zhejiang in 2014,and the infection sources of H7N9 virus after the closure of live poultry markets in Zhejiang were traced back. Results A total of 87 cases of human infection with H7N9 virus were reported in Zhejiang in 2014. The incidence peak occurred in January,the average age of the cases was 56. 1 years. The cases were distributed in 39 counties,but the cases in 17 counties with serious epidemic accounted for 74. 7% of the total. Up to 66. 7% of the cases occurred in rural area. Twenty six cases were reported after the closure of live poultry markets in 3 cities with high infection rates（Hangzhou,Shaoxing and Ningbo）,among these cases,18 had exposures to live poultry before the market closure,7 had exposures outside live poultry markets and 1 had no exposure in live poultry market. Conclusion It is essential to identify the areas with serious epidemic timely and close live poultry markets for the effective control of human H7N9 virus infection epidemic.
出处
《疾病监测》
CAS
2014年第9期700-703,共4页
Disease Surveillance
基金
浙江省公益技术应用项目(No.2012C33063)
浙江省医药卫生重大科技计划项目(No.WKJ2013-ZJ-08)~~
关键词
人感染H7N9禽流感
活禽
休市
Human infection with avian influenza A（H7N9） virus
Live poultry
Live poultry market closure
