江苏省2009-2012年流感监测结果分析

发布时间：2018-08-09 09:40

【摘要】：目的掌握江苏省2009-2012年流感的流行特征,为今后的流感防制工作提供科学依据。方法对江苏省2009-2012年流感样病例(influenza-like illness,ILI)报告数据、病原学监测数据及流感/ILI暴发疫情报告情况进行分析。结果江苏省流感高发人群为14岁以下婴幼儿及儿童,2009-2012年每年病例人数分别占各年ILI数的71.64%、81.39%、83.70%和84.03%;流感全年出现冬季1~2月份和夏季8月份两个小流行高峰,近3年,发病水平呈下降趋势(Z=-247.91,P0.001);2009-2012年分离到流感阳性毒株数分别为1 615株、806株、555株和993株,毒株类型以B型和A(H3N2)型交替出现为主,偶尔伴有A(H1N1)等其他毒株散发;2009-2012年,江苏省共报告流感/ILI暴发疫情147起,其中84起发生在中小学校及托幼机构,占总疫情数的57.14%。结论2009年后江苏省虽然没有发生流感大流行,但流感监测工作仍然不能放松,特别是需要警惕新型流感毒株的出现,同时加强学校等聚集性场所暴发疫情监测。
[Abstract]:Objective to grasp the epidemic characteristics of influenza in Jiangsu for 2009-2012 years and provide scientific basis for the future influenza prevention and control work. Methods the data of influenza-like illness (ILI) for 2009-2012 years in Jiangsu Province, the data of the pathogenic monitoring and the report of influenza /ILI outbreak were analyzed. The results showed that the high incidence of influenza in Jiangsu was 14. The number of children and children under the age of 2009-2012 years accounted for 71.64%, 81.39%, 83.70% and 84.03% of the annual ILI number in each year, and two small epidemic peaks in winter 1~2 month and summer August. The incidence of influenza was decreased (Z=-247.91, P0.001) in the last 3 years, and the number of influenza positive viruses was 1615 and 80, respectively, in 2009-2012 years. 6 strains, 555 strains and 993 strains, type B and A (H3N2) alternately, occasionally accompanied by A (H1N1) and other other strains; 2009-2012 years, Jiangsu province reported a total of 147 outbreak of influenza /ILI outbreak, 84 of which occurred in primary and secondary schools and kindergartens, accounting for the total epidemic number of 57.14%. conclusions in 2009, although there was no flu in Jiangsu province. It is popular, but influenza surveillance still cannot be relaxed, especially the need to be vigilant for the emergence of new influenza strains and to strengthen surveillance of outbreaks in schools and other aggregated sites.
【作者单位】：江苏省疾病预防控制中心急性传染病防制所;
【分类号】：R181;R511.7

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