2016-2017年安庆市度流感监测分析

发布时间：2018-03-18 01:13

本文选题：流感监测　切入点：流感样病例　出处：《现代预防医学》2017年21期 　论文类型：期刊论文

【摘要】：目的分析2016-2017年度安庆市流感监测结果,掌握本地流行特征,为流感防治工作提供依据。方法登录国家流感监测系统,对2016-2017年度安庆市ILI数据、病原学检测数据、聚集性疫情数据进行统计学分析。结果2016-2017年度安庆市ILI%为4.24%,ILI集中在15岁以下年龄组,占61.68%。核酸检测阳性率为12.62%,除2016年7月份外,每月均检出病毒阳性,其中2016年11月份阳性率最高,为35.33%;阳性标本中,季H3亚型占70.65%(207份),BV亚型占22.87%(67份);不同性别间阳性率差异无统计学意义(X~2=1.60,P0.05),不同年龄组间阳性率差异有统计学意义(X~2=61.21,P0.05)。对阳性标本,使用MDCK细胞分离法,分离出流感毒株95株,使用鸡胚培养法,培养出毒株2株。结论 2016-2017年度安庆市流感活动高峰在4月份和11月份,夏季高峰出现后移现象;以季H3和BV亚型交替流行为主;15岁以下人群为发病重点人群。
[Abstract]:Objective to analyze the results of influenza surveillance in Anqing city in 2016-2017, to grasp the local epidemic characteristics and to provide the basis for influenza prevention and control. Methods to log on to the National Influenza Surveillance system, and analyze the ILI data and etiological data of Anqing City in 2016-2017. Results the ILI% was 4.24% in Anqing city in 2016-2017, accounting for 61.68%. The positive rate of nucleic acid detection was 12.62%, except July 2016, virus positive was detected every month. In November 2016, the positive rate was the highest (35.33). Of the positive specimens, 70.65 cases were subtype H3 and 22.87 cases were subtype BV, and there was no significant difference in positive rate between sexes. There was a significant difference in positive rate among different age groups. There was significant difference in positive rate between different age groups. 95 strains of influenza virus were isolated by MDCK cell separation method, and 2 strains were cultured by chicken embryo culture. Conclusion the peak of influenza activity in Anqing City in 2016-2017 was on April and November, and the peak in summer appeared to move backward. Seasonal H _ 3 and BV subtypes were dominant in the population under 15 years of age.
【作者单位】：安庆市疾病预防控制中心;
【分类号】：R181.8;R511.7

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