Etiological analysis of influenza-like cases in Taizhou City， Zhejiang Province from 2013 to 2022
Journal Title: Shanghai Journal of Preventive Medicine - Year 2024, Vol 36, Issue 4
Abstract
Objective To analyze the etiological results of influenza-like case surveillance in Taizhou， Zhejiang Province from 2013 to 2022， to timely understand the epidemic trend of influenza viruses and the change rule of dominant virus strains， and to provide reference for the prevention and control of influenza in this region.Methods Influenza virus nucleic acid was detected by real-time PCR in 24 183 influenza-like cases.Results The positive rate of influenza virus in 24 183 samples was 18.43%， the highest positive type was seasonal H3 （37.34%）. There was no a significant difference in positive rate between different genders （χ2=0.148， P=0.701）. There was significant difference in the positive rate among different age groups （χ2=496.626， P<0.001）， and the highest positive rate was found in the 25‒59 age group （22.56%）. The positive rate in different years was statistically significant （χ2=1 670.922， P<0.001）. The positive rate from 2013 to 2019 showed an upward trend （χ2=30.559， P<0.001）. The lowest positive rate was in 2020 （0.04%）， and the positive rate from 2021 to 2022 showed an upward trend （χ2=304.465， P<0.001）. The dominant strains were different in different monitoring years. There was a significant difference in the positive rate of influenza in different months （χ2=1 652.455， P<0.001）， and the peak of influenza was mainly concentrated in December‒March and July‒August.Conclusion From 2013 to 2022， the positive rate of influenza virus in Taizhou showed a wavy dynamic change， and the dominant strains were different in different years， presenting alternate epidemic characteristics. It is necessary to strengthen the etiological surveillance of influenza virus and improve the prevention and control measures with influenza vaccine.
Authors and Affiliations
WANG Ziyi,SHEN Weiwei,WANG Hongzhu,WENG Jian,
Keywords
Related Articles
- EP ID EP742024
- DOI -
- Views 14
- Downloads 0
Association between ozone pollution and daily outpatient visits for respiratory system in a district of Shanghai
ObjectiveTo analyze the effect of O3 pollution on outpatient visits for respiratory diseases in a district of Shanghai.MethodsWe collected the respiratory disease outpatient dataï¼ and atmospheric and meteorological dat...
Systematic review and meta-analysis in medical research
In order to facilitate systematic reviews and meta-analyses by medical researchersï¼ this paper provides a tutorial-style review of the relevant conceptsï¼ necessary stepsï¼ and some key considerations in conducting s...
Epidemiological investigation and management of a case of severe Chlamydia psittaci pneumonia
ObjectiveTo identify causal factors of a case of severe Chlamydia psittaci pneumonia in Yangpu District and provide a scientific basis for effective prevention and control.MethodsBasic information and epidemiological dat...
Epidemiology and exposure management of rabies in Shanxi Province， 2011‒2022
Objective To analyze the epidemiological features and influencing factors of rabies in Shanxi Province，and to provide evidence to further promote the elimination of rabies in Shanxi Province.Methods The incidence data o...
Investigation of a Mycoplasma pneumoniae outbreak in a welfare institution
Objective To carry out an epidemiological analysis on an outbreak of Mycoplasma pneumoniae infection at a welfare institution to provide a theoretical basis for the corresponding prevention and control measures.Methods U...