Analysis of surveillance data of influenza in Jilin Province from 2011 to 2015

VernacularTitle:2011-2015年吉林省流行性感冒监测分析
Author: Liquan DENG ¹ ; Bo LUAN ; Qinglong ZHAO ; Chengcheng YANG ; Ming FAN
Author Information

1. 吉林省疾病预防控制中心
Keywords: Influenza; influenza-like illness( ILI); Surveillance
From: Chinese Journal of Experimental and Clinical Virology 2016;(1):50-52
CountryChina
Language:Chinese
Abstract: Objective Through the analysis of influenza ( Flu ) monitoring data, to grasp the epidemiological characteristics of influenza, effective response to influenza pandemic in our province, to provide scientific basis for the development of influenza prevention and control strategies.Methods To analyze the surveillance data of influenza from 2011 to 2015.Results From the 14th week of 2011 to the 13th week of 2015, the average percentage of influenza-like illness(ILI)visits (ILI%) was 2.01%in Jilin province.The age group of 0 to 4 was the highest in the age groups of ILI cases.2173 positive strains were isolated from 13 sentinel hospitals, and the positive rate was 8.28%.The main three viral types were:seasonal A ( H3N2 ) 45.24%, A ( H1N1 ) 32.31%, B 22.14%.The dominant strains in different monitoring years were significantly different, the dominant strains of 2011-2012 was B while 2012-2014 were H3N2 and H1N1, the dominant strains of 2014-2015 was H3N2.Conclusion The seasonal characteristics of influenza in Jilin province were obvious, and the dominant strains in different monitoring years appeared alternately.