Original Article
Analysis of surveillance data of influenza in Jilin Province from 2011 to 2015
Liquan Deng, Bo Luan, Qinglong Zhao, Chengcheng Yang, Ming Fan
Published 2016-02-29
Cite as Chinese J Exp Clin Virol, 2016, 30(1): 50-52. DOI: 10.3760/cma.j.issn.1003-9279.2016.01.013
Abstract
ObjectiveThrough 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.
MethodsTo analyze the surveillance data of influenza from 2011 to 2015.
ResultsFrom 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.
ConclusionThe seasonal characteristics of influenza in Jilin province were obvious, and the dominant strains in different monitoring years appeared alternately.
Key words:
Influenza; influenza-like illness(ILI); Surveillance
Contributor Information
Liquan Deng
Jilin Provincial Center for Disease Control and Prevention, Changchun 130062, China
Bo Luan
Jilin Provincial Center for Disease Control and Prevention, Changchun 130062, China
Qinglong Zhao
Jilin Provincial Center for Disease Control and Prevention, Changchun 130062, China
Chengcheng Yang
The Public Health School of Jilin University, Changchun 130062, China
Ming Fan
Jilin Provincial Center for Disease Control and Prevention, Changchun 130062, China