許昌市2011年-2013年流感監(jiān)測及病毒流行特征分析
發(fā)布時間:2018-05-21 09:33
本文選題:流感監(jiān)測 + 流感病毒; 參考:《中國衛(wèi)生檢驗雜志》2014年23期
【摘要】:目的分析許昌市流行性感冒監(jiān)測結果,了解流感流行特征及毒株的型別分布,為流感防控提供科學依據。方法通過中國流感監(jiān)測信息系統(tǒng)收集許昌市流感及流感樣病例(ILI)監(jiān)測資料,對其流行病學、病原學進行分析。采用狗腎傳代細胞(MDCD)對流感病毒進行培養(yǎng),對分離到的毒株采用血凝抑制實驗進行型別和亞型鑒定。結果許昌市2011年-2013年ILI全年均有病例發(fā)生,ILI%呈上升趨勢,就診高峰出現(xiàn)在12月份至次年3月份;人群分布主要集中在≤15歲年齡組,占66.81%(24 915/37 291);在1 219份ILI標本中核酸陽性檢出率為11.48%。77份核酸陽性標本中分離到流感病毒38株,病毒分離陽性率為49.35%。結論許昌市流感病毒活動高峰在冬季和春季,流行有明顯的季節(jié)性,甲3亞型和B型病毒為主要流行株,須加強監(jiān)測與防控。
[Abstract]:Objective to analyze the surveillance results of influenza in Xuchang city and to understand the epidemic characteristics and the type distribution of influenza strains so as to provide scientific basis for influenza prevention and control. Methods the surveillance data of influenza and influenza-like cases in Xuchang City were collected by China Influenza Surveillance Information system, and their epidemiology and etiology were analyzed. The influenza virus was cultured by Dogs kidney passage cell line MDCD, and the isolated strains were identified by hemagglutination inhibition test. Results the incidence of ILI cases in Xuchang City from 2011 to 2013 showed an increasing trend, and the peak of visits was from December to March of the following year, and the population distribution was mainly in the age group of 鈮,
本文編號:1918656
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