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2006-2007年浙江省杭州市聚集性流感样病例疫情特征 被引量:5

Features of influenza like illness epidemics in Hangzhou,Zhejiang province,2006-2007
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摘要 目的了解杭州市流行性感冒(流感)样病例疫情流行特点。方法通过杭州市流感监测网络,收集整理流感样病例疫情资料;利用反转录-聚合酶链反应技术检测流感病毒。结果2006-2007年共发生流感样病例疫情67起,流感样病例2703例,总罹患率为3.77%。各起疫情平均报告时间为5 d。2006年疫情平均持续时间为6 d,2007年为13 d,差异有统计学意义(u=-4.37,P<0.05)。2006-2007年疫情发生时共采样186份,其中阳性126份,阳性率为67.74%。2006年流行株为B型,2007年为A型H3亚型。结论2006年及2007年杭州市流感流行表现为散发及局部暴发,2年流行的毒株不同。 Objective To analyze the features of influenza like illness (ILI) epidemics in Hangzhou. Methods The data of ILI epidemic in Hangzhou were collected and summarized by influenza surveillance network in Hangzhou, and influenza virus was detected by RT-PCR. Results During 2006-2007, 67 epidemics of ILI occurred with 2703 cases. The overall attack rate was 3.77%. The epidemic lasted for 5 days averagely (6 days in 2006 and 13 days in 2007 ). The difference on average epidemic days between two years had statistical significance ( u = - 4.37, P 〈 0.05 ). A total of 186 samples were taken during the epidemics in 2006 and 2007, and 126 were positive (67.74%). The predominate strain in 2006 was B virus, the predominate strain in 2007 was A3 virus. Conclusion The influenza epidemics during 2006-2007 in Hangzhou were sporadic ones and local outbreaks, the predominate strains in two years were different.
出处 《疾病监测》 CAS 2009年第3期183-184,共2页 Disease Surveillance
关键词 流感 流感样病例 流感病毒 influenza influenza like illness influenza virus
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参考文献3

  • 1流感样病例暴发疫情报告及调查处理指南.北京:中国疾病预防控制中心,2006.
  • 2全国流感/人禽流感监测实施方案——征求意见稿.http://www.chinacdc.cn.2005:8-19.
  • 3曾光 施国庆 张丽杰.应对流感大流行的几个关键问题.国际流行病学传染病学杂志,2007,34(1):1-2.

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