摘要
目的:通过对北京市密云县流感监测结果的分析,了解流感流行特征,为流感防控提供科学依据。方法:2011年10月-2012年5月期间,以密云县医院为哨点医院,收集流感监测病原学,流行病学监测数据,分析流感病毒流行特征。结果:共监测流感样采集648例,分离流感病毒104件,分离阳性率为16.0%,其中B型Victoria系毒株70株(67.3%),B型Yamagata系毒株21株(20.2%),H3N2亚型毒株13株(12.5%);2012年1月-2012年3月份位流感流行高峰期;阳性病例主要分布在16岁～25岁年龄组和26岁～54岁年龄组;男女性别之间的分离阳性率差别具有统计学意义(P<0.05)。结论:北京市密云县2011年10月-2012年5月流感监测期间流行的高峰期在2012年2月份,主要以B型Victoria系为主,易感人群集中在中青年和女性。
Objective：To analyze the influenza moniloring results in Miyun county, so as to understand the charac- teristics of ilflluenza pandemic and provide a scientific basis for influenza prenention and control. Methods： A total of 648 throat swab samples and monitoring etiology data were collected form October 2011 to May 2012 in Miyun county hospital to analyze the influenza virus epidemic characteristics. Results： One hundred and four samples showed influ- enza virus positive, wilh an overall positive rate as 16.0%. Among 104 positive samples,13 （t2.5%）,70（67.3% ） and 21 （20.2%） cases were infected with the strains of H3N2（influenza A）, Victoria （influenza B） and Yamagata （influenza B）. The influenza virus epidemical months were from January to March in 2012. Positive cases mainly fell in age gToups 16 -25 and 26 -54. Positive rate differences between male and female were statistically significant. Conclusion ： The epidemical peak of influenza in Miyun of Beijing was February,2012. The predominant influenza vi- ral strain was Victoria of type B. The susceptible populations were middle - aged youth and female.
出处
《中国卫生检验杂志》
北大核心
2013年第2期453-454,458,共3页
Chinese Journal of Health Laboratory Technology
关键词
流感监测
细胞培养
Influenza surveillance
Cell culture
