上海市崇明县2012年流行性感冒监测结果分析

Analysis on influenza monitoring in Chongming county in 2012

目的分析崇明县流感监测结果，预测流感流行特征和发现崇明县流感病毒变异情况，为做好流感防控工作提供依据。方法收集2012年崇明县流感样病例监测和病原学监测数据，分析流感样病例（ILI）占门急诊就诊总数百分比（ILI％）的变化规律，以及流感毒株的活动规律。结果崇明县流感样病例1356例中，男性672例，女性684例；在年龄构成中，15～组的比例最低，为11．58％，25～组的最高，为33．70％；1～2月和7～8月ILI％最大，10～12月ILI％最小；网络实验室共检测哨点医院采集的标本435份，阳性率为35．76％，其中季节性H3型占58．97％，B（Victoria）亚型占39．749／6，B（Yamagata）亚型占1．28％。结论在冬季和夏季尤其要做好流感防控工作，关键是做好疫情监测、疫苗接种、生活起居预防、饮食预防和药物预防。

Objective To analyze data of influenza-like illness（ILI） surveillance so as to predict the epidemiologic characteristics of influenza and the variation of influenza virus in Chongming county, and to provide basis for formulating scientific prevention and control measures. Methods The information of ILl and their etiology data collected to analyze the variation of ILI% and Influenza virus. Results There were totally 1356 ILIs with 672 in males and 684 in females in Chongming county. In the composition of age, it was lowest among age group 15-25 （accounting for 11.58%）and highest among 25-60 （ accounting for 33.70%）. The ILI% was highest during January to February and July to August and lowest during October to December. Totally 435 samples collected from ILl cases were tested in influenza network laboratories, the positive rate was 35.76%. Among the positive samples, influenza A （H3） virus accounted for 58.97%, influenza B（Victoria） virus accounted for 39.74%, influenza B（Yamagata） virus accounted for 1.28%. Conclusion Measures should be taken to prevent and control Influenza,especially in winter and summer;the superior measures are surveillance,vaccination,moderate lifestyle,diet and drug.