Analysis of influenza surveillance results in Jingzhouï¼ Hubei Province from 2016 to 2021
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 4
Abstract
ObjectiveTo understand the epidemiological characteristics of influenza in Jingzhou from 2016 to 2021ï¼ so as to provide scientific evidence for the formulation of influenza prevention and control policies in this regionï¼ and effectively protect people's health.MethodsData of influenza-like illness ï¼ILIï¼ and pathogen surveillance in Jingzhou during 2016â2021 were collected and statistically analyzed.ResultsA total of 46 272 ILI cases were reported from two hospitals in Jingzhou City from 2016 to 2021. The difference in the constituent ratio of ILI was statistically significant among different age groups ï¼P<0.05ï¼. A total of 12 812 specimens were collected from two hospitals for influenza surveillance. A total of 1 513 cases were RNA positiveï¼and the positive rate of influenza virus nucleic acid detection was 11.81ï¼ . The RNA positive specimens were mainly B ï¼Victoriaï¼ï¼ accounting for 39.33ï¼ . There were statistically significant differences in the positive rate of influenza virus nucleic acids and different types of influenza virus nucleic acids among different years ï¼P<0.05ï¼.ConclusionThe influenza epidemic in Jingzhou peaks in winter and springï¼ and the new A ï¼H1ï¼ï¼A ï¼H3ï¼ï¼ B ï¼Victoriaï¼ and B ï¼Yamagataï¼ types alternate and mixed epidemics dominate.
Authors and Affiliations
ZHANG Tian,ZENG Yujie,SHI Tao,HU Jie,CHEN Maoyi,
Keywords
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