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目的分析2012—2016年菏泽市流感监测结果,为该市未来的流感防控工作提供科学依据。方法对2012—2016年荷泽市的流感样病例(ILI)监测资料、病原学检测资料进行分析。结果 2012年10月—2016年3月哨点医院门急诊共报告ILI 1 348例,占同期门诊就诊患者的0.54%。4个年度ILI%分别为0.63%、0.38%、0.41%、0.72%,年度间差异有统计学意义(P<0.01)。病原学检测显示,2012—2013和2014—2015年2个年度季节性H3亚型为优势株,2013—2014年优势株为BY型,2015—2016年优势株为BV型。结论菏泽市近年流行的流感病毒亚型为H3亚型、BY型、BV型和新甲H1N1型,每年的流行优势株和流行强度均不同;流感整体处于相对稳定状态,未发生大规模流行。
Objective To analyze the results of influenza surveillance in Heze City from 2012 to 2016 and provide a scientific basis for the future prevention and control of influenza in this city. Methods Influenza-like illness (ILI) monitoring data and pathogen detection data from 2012 to 2016 in Heze City were analyzed. Results From October 2012 to March 2016, outpatient and emergency department of Sentinel Hospital reported a total of 348 ILI cases, accounting for 0.54% of the outpatients in the same period. The four annual ILI% were 0.63%, 0.38%, 0.41% and 0.72%, respectively, with significant difference between years (P <0.01). The etiological tests showed that the seasonal H3 subtype was dominant in the two years from 2012-2013 and 2014-2015. The dominant strain was BY in 2013-2014, and BV was the predominant in 2015-2016. Conclusion The prevalence of influenza viruses in recent years in Heze City are H3 subtype, BY type, BV subtype and the new subtype H1N1. The dominant strains and prevalence intensity are different each year. Influenza is in a relatively stable state as a whole, and no pandemic occurred.