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目的分析2004-2009年十堰市流行性感冒(流感)暴发疫情的病原学及流行病学特征,为指导流感防控工作提供参考依据。方法通过流行病学监测、病原学和血清学检测,对5年中流感暴发疫情调查处理资料进行分析。结果5个监测年度共报告并经实验室确诊流感暴发疫情31起,发病1 151例,疫情涉及城区和所辖5个县市,26起发生在中小学校,5起发生在中专技工学校。疫情主要集中在1-5月和8-9月,病原体为H3N2亚型、H1N1亚型和乙型V ictoria流感病毒(BV)。结论2004-2009年来十堰市流感暴发疫情主要发生在学校,流感存在冬春季和夏季2个流行高峰。
Objective To analyze the etiological and epidemiological characteristics of the outbreak of influenza (influenza) in Shiyan City from 2004 to 2009, and provide a reference for guiding the prevention and control of influenza. Methods Epidemiological surveillance, etiology and serology were used to analyze the investigation and treatment of influenza outbreaks in the past five years. Results A total of 31 outbreaks of influenza outbreaks were reported in the five monitoring years and were confirmed by the laboratory. The outbreak was 1,151. The outbreaks involved urban areas and 5 counties under the jurisdiction of the city, 26 occurred in primary and secondary schools and 5 occurred in technical secondary schools. The epidemic mainly concentrated in January-May and August-September. The pathogens were H3N2 subtype, H1N1 subtype and Victoria influenza virus (BV). Conclusion The outbreak of influenza outbreak in Shiyan mainly occurred in schools from 2004 to 2009, with two epidemic peaks in winter, spring and summer.