Epidemiological Characteristics of Varicella in Mengla County of Yunnan Province from 2014 to 2023
Objective To analyze the incidence and trend of varicella in Mengla County,Yunnan Province from 2014 to 2023,and to provide the basis for improving the prevention and control measures and vaccination of varicella.Methods The varicella cases in Mengla County from 2014-2023 were analyzed descriptively.Results A total of 2 034 cases of varicella were reported in Mengla County from 2014 to 2023,with an average annual incidence of 68.99/105.The incidence of varicella showed an increasing trend.There was an obvious seasonal change,and the peak seasons appeared April to July and November to January of the next year.The incidence was mainly concentrated in county towns,accounting for 43.31%of the total number of cases.Most(36.87%)of the cases appeared in students.The cases mainly appeared in the children at ages of 5 to 9 years,which accounted for 40.02%of the total cases.The proportion of incidence in the children under 5 years old is showing a decreasing trend.Conclusion In the past 10 years,an upward trend of the overall incidence of varicella was showed in Mengla County.The cases mainly appeared in the children,but the age distribution has changed.In the future,the monitoring and prevention and control of varicella should be continued to strengthen,and increase the rate of varicella vaccination.
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NSTL
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