梅玉发, 赵国兵, 王建平, 李兆林, 杨红梅, 易显明, 胡少辉, 董芳, 王喜云. 2004-2007年十堰市流行性感冒监测结果分析[J]. 疾病监测, 2008, 23(11): 682-684. DOI: 10.3784/j.issn.1003-9961.2008.11.682
引用本文: 梅玉发, 赵国兵, 王建平, 李兆林, 杨红梅, 易显明, 胡少辉, 董芳, 王喜云. 2004-2007年十堰市流行性感冒监测结果分析[J]. 疾病监测, 2008, 23(11): 682-684. DOI: 10.3784/j.issn.1003-9961.2008.11.682
MEI Yu-fa, ZHAO Guo-bing, WANG Jian-ping, LI Zhao-lin, YANG Hong-mei, YI Xian-ming, HU Shao-hui, DONG Fang, WANG Xi-yun. Analysis on the surveillance results of influenza from 2004 to 2007 in Shiyan city[J]. Disease Surveillance, 2008, 23(11): 682-684. DOI: 10.3784/j.issn.1003-9961.2008.11.682
Citation: MEI Yu-fa, ZHAO Guo-bing, WANG Jian-ping, LI Zhao-lin, YANG Hong-mei, YI Xian-ming, HU Shao-hui, DONG Fang, WANG Xi-yun. Analysis on the surveillance results of influenza from 2004 to 2007 in Shiyan city[J]. Disease Surveillance, 2008, 23(11): 682-684. DOI: 10.3784/j.issn.1003-9961.2008.11.682

2004-2007年十堰市流行性感冒监测结果分析

Analysis on the surveillance results of influenza from 2004 to 2007 in Shiyan city

  • 摘要: 目的 分析2004-2007年湖北省十堰市流行性感冒(流感)监测结果,初步探求本市流感病毒活动特点及其流行规律,寻求科学有效的防制对策。方法 常年开展流感流行病学和病原学监测,每年9月份开展血清学监测。结果 门诊流感样病例就诊比例每月变化趋势不太明显,儿童远高于成人比例;从1449份标本中分离流感病毒302株,分离率20.84%;月分离率在每年1-3月和7-9月分别出现冬季峰和夏季峰,冬季峰高于夏季峰;H3N2亚型、B型Victoria系流感病毒分别引起37起疑似流感暴发疫情中的9起和14起;健康人群各亚型流感病毒抗体水平每年都发生较大变化,其阳性率与该亚型流感病毒的流行强度一致。结论 十堰地区几乎全年均有流感病毒活动,呈现冬季峰高于夏季峰的双峰模式,H1N1、H3N2亚型与B型的Victoria系、Yamagata系流感病毒在本地区呈现此消彼长的流行规律;每年应在充分考虑本国流感流行特点和B型流感病毒复杂性的基础上提供疫苗组分;建议十堰市人群每年10-12月及时接种流感疫苗,增加中小学校和托幼机构学生的疫苗接种率。

     

    Abstract: Objective The present study was conducted to analyze the surveillance results of influenza from 2004 to 2007 in Shiyan city, so as to explore the characteristics of influenza and its epidemic features in Shiyan city and to seek scientific and effective measures of prevention and control. Methods Perennial pathogenic and epidemiologic surveillance of influenza were conducted, also serological surveillance were conducted in September annually. Results There was not evident monthly change of the proportion of influenza-like cases at the clinics, with children always more than adults. A total of 302 specimens of influenza virus were separated from the 1449 samples, with the separation rate of 20.84%. The separation rate reached the winter peak and the summer peak respectively in January-March and July-September, with the latter weaker than the former. H3N2 subtype and Victoria of B type respectively caused 9 and 14 of 37 influenza-like outbreaks-Antibody levels of each subtype of influenza virus in healthy people changed every year, and the positive rate of each subtype was consistent with its epidemic situation. Conclusion Influenza virus was active almost all the year round in Shiyan city, and presented a bipeak model with the winter peak higher than the summer peak; for H1N1and H3N2 subtypes, Victoria and Yamagata influenza virus of B type, the development of the former always went with the weakening of the latter, and vice versa. Full consideration should be given to epidemic characteristics of influenza in China and the complexity of B type influenza virus, and vaccine components should be provided based on this. It is suggested that people in Shiyan city should inoculated with influenza vaccine from October to December each year in time, and that the immunization coverage rate of primary and secondary schools and nurseries should be improved.

     

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