摘要
目的 研究2009～2012年西安地区流感样病例（ILI）流行病学特征及病原型别特点.方法 统计分析中国疾病预防控制信息系统中西安地区哨点医院2009～2012年报告ILI数据及西安市流感网络实验室检测结果.结果 2009～2012年西安地区共报告ILI 77 763例,男女比例1.2∶1,15岁以下学生人群及幼托儿童病例数为50 211例.1年中以12月份报告病例数最多.2009年流感病毒新H1N1占77％;2010年B型占61％;2011年B型和新H1N1分别占44％和41％;2012年B型和H3分别占56％和40％.结论 西安地区2009～2012年流感病毒感染人群以15岁以下学生和幼托儿童为主,每年发病高峰为12月或1月.流感病毒毒株每年也不尽相同,2009年以新H1N1为主,2010年以B型为主,2011～2012年均为B型流感病毒和其他毒株共同构成优势流行毒株.
Objective To explicit the epidemical and etiogical characteristics of the influenza in Xi＇ an from 2009 to 2012.Methods Concluded the characteristics of the Influenza-like illness （ILI） cases reported in Xi＇an from 2009 to 2012 and analyzed the lab results of the ILI samples.Results From 2009 to 2012,77 763 ILI cases were reported,and the students and children in kindergartens under 15 years old were 50 211,and the ratio of male and female was 1.2 ∶ 1.In a surveillance year,there were most ILI cases reported in January or December.New H1N1 accounted for 77 ％ in the positive samples in 2009,and influenza B virus 61％ in 2010.In 2011 to 2012,influenza B virus accounted for 44％ and 56％ respectively,but new H1N1 and H3 accounted for 41％ and 40％ of the positive samples.Conclusion The main population of ILI in Xi＇an from 2009 to 2012 was children in kindergartens and students under 15 years old,and January or December had most ILI cases reported.New H1N1 was the main pathogen in 2009,in 2010 influenza B.Influenza B and new H1N1 co circulated in 2011,and Influenza B and H3 co circulated in 2012.
出处
《现代检验医学杂志》
CAS
2014年第4期139-141,共3页
Journal of Modern Laboratory Medicine
基金
国家重大科学仪器设备开发专项项目（编号：2012YQ020261）.
关键词
流感样病例
流行病学
病原学
influenza-like illness（ILI）
epidemiology
etiology
