Analysis on influenza surveillance of children in Beijing from 2011 to 2015
CHU Yan-hui
SUN Xiao-yu
REN Jian
XIAO Zheng
QIN Di
HUO Yun-yan
Abstract：Objective To analyze the epidemic characteristics of influenza virus and the change of influenza virus dominant strain in children in Beijing during the period of 2011-2015, and to provide reference for its prevention and control.Methods The etiology monitoring Results of influenza like illness (ILI) cases in children from Beijing Children's Hospital from 2011 to 2015 were collected, the prevalence and constitution of influenza virus were analyzed.Results From 7331597 cases, 638623 ILI were collected. The percentage of ILI cases to the outpatients and emergency patients was 8.71％. The highest proportion was 0 year group and constituent ratio was 69.56％. A total of 515 influenza virus were isolated from 5351 throat swab specimens of ILI cases, and the dominate subtype was different from 2011 to 2015, but it can also be popular in summer.Conclusions The high incidence of influenza is found in winter-spring commonly, children less than 5 years old are more susceptible to influenza. Pathogen detection is suggested for ILI children in summer, thus adopting more effective prevention and treatment measures.
Keywords：influenzaILIinfluenza virus
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 223-226 )