摘要
目的对西安市流行性感冒2010年-2014年监测结果进行分析,为西安市流感防控提供依据。方法通过中国流感监测信息系统收集西安市流感样病例(ILI)及流感病例资料,对其进行流行病学及病原学分析,同时分析疫情的发生情况。结果 2010年-2014年西安市共报告ILI 72 582例,ILI比例平均为1.96%,ILI比例最高为2014年,最低为2012年。就诊高峰在每年的第48周-次年的第8周,ILI主要集中在0岁~4岁和5岁~14岁组。共检测鼻咽拭子标本10 285份,流感病毒阳性1 291份,阳性率为12.55%。2010年、2011年、2012年的优势株为B型,2013年的优势株为新H1N1,2014年为季H3。男性阳性数多于女性。新H1N1和季H3阳性检出数最多的是0岁~4岁组,B型阳性检出数最多的是5岁~14岁组。共发生流感疫情30起,中小学28起,大学2起。结论推荐每年9月-10月接种流感疫苗及加强对孕妇﹑老人和学生的接种。
Objective To analyze the surveillance result of influenza in Xi'an from 2010 to 2014,so as to provide basis for the prevention and control of influenza. Methods The ILI and influenza data in Xi'an collected by China influenza surveillance data system was conducted for its epidemiological and etiological analysis,meanwhile,the situation of epidemics was analyzed.Results 72 582 cases of ILI from 2010 to 2014 were reported in Xi'an,the average value of ILI was 1. 96%,and the highest occurred in 2014,while it was the lowest in 2012. The peak of seeing a doctor existed from the 48 th week of each year to the8 th week of the next year. ILI mainly focused on 0-4 and 5-14 age groups. 10 285 nasopharyngeal swabs were detected,of which 1 291 were positive with the positive rate of 12. 55%. The dominant strain from 2010 to 2012 was type B,it's H1N1 in2013 and H3 in 2014. There were more men than women in positive number. The most detected number of H1N1 and H3 focused on 0-4 age group,while type B focused on 5-14 age group. The flu outbreak number was 30 cases,and 28 cases occurred in middle and primary schools while 2 cases occurred in universities. Conclusion We recommend that influenza vaccination should be carried out during September-October every year and strengthened on pregnant women,old people and students.
出处
《中国卫生检验杂志》
CAS
2016年第5期736-739,741,共5页
Chinese Journal of Health Laboratory Technology
关键词
流感
监测
分析
Influenza
Surveillance
Analysis