Analysis of the epidemic characteristics of other infectious diarrhea in Qiannan,Guizhou,2012-2022
Objective To understand the epidemic characteristics and long-term trends of other infectious diar-rhea in Qiannan Prefecture,Guizhou Province from 2012 to 2022,and provide a reference for local disease prevention and control.Methods Data on other infectious diarrhea cases in Qiannan Prefecture from 2012 to 2022 were collected through the China Disease Control and Prevention Information System.Descriptive epidemiological method and Joinpoint regression model were used to analyze the epidemic characteristics and long-term trends.Results From 2012 to 2022,a total of 11 486 cases of other infectious diarrhea were reported.The average annual reported incidence rate was 31.6 per 100 000 population,and the overall reported incidence rate exhibited an upward trend(trendx2=663.085,P＜0.01).The in-cidence rate peaked from October to January of the following year.The disease primarily affected scattered children(7 618 cases,66.3％).Rotavirus was identified as the predominant pathogen(3 312 cases,95.8％).Joinpoint regression analysis re-vealed two turning points in the annual reporting rate from 2012 to 2022,with a significant increase observed from 2015 to 2020(APC=24.023,P＜0.05).Conclusions From 2012 to 2022,there has been an upward trend in the overall incidence of other infectious diarrhea in Qiannan Prefecture.The high incidence is observed during the winter and spring seasons,with rotavirus being identified as the dominant pathogen.It is recommended to implement effective comprehensive interven-tion measures targeting focus groups and areas during the peak incidence season in order to effectively prevent and control the disease within the local community.
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