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目的分析2004年4月—2009年3月十堰市流行性感冒(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。方法通过流行病学监测、病原学检测和血清学检测,收集5年来暴发疫情调查处理资料。结果5个监测年度共报告暴发疫情31起,发病1151例,疫情涉及城区和所辖5个县市,其中26起发生在中小学校,5起发生在中专技工学校。结论5年来十堰市流感暴发疫情主要集中在1—5月和8—9月;病原体为H3N2亚型、HlNl亚型和B型Vic-toria系流感病毒;十堰地区流感存在冬季和夏委2个活动高峰。提示应进一步加强监测,提高重点人群流感疫苗接种率。
Objective To analyze the etiological and epidemiological characteristics of the outbreak of influenza (influenza) in Shiyan from April 2004 to March 2009, and provide reference for the prevention and control of influenza. Methods Epidemiological surveillance, etiological detection and serological detection were used to collect data from outbreak investigation in the past five years. Results A total of 31 cases of outbreaks were reported during the five monitoring years with a total of 1151 cases. The outbreaks involved 5 urban counties and 5 counties and cities, of which 26 occurred in primary and secondary schools and 5 in secondary technical schools. Conclusion The epidemic outbreaks of influenza in Shiyan mainly concentrated in January-May and August-September. The pathogens were H3N2 subtype, HlNl subtype and B-type Vic-toria influenza virus. In winter and summer in Shiyan, there were 2 Activity peak. It is suggested that monitoring should be further strengthened to increase the influenza vaccination rate in key populations.