Epidemiological characteristics of legal infectious diseases among children aged under 15 years in Suzhou City from 2012 to 2022
Objective To analyze the epidemic status of legal infectious diseases among children under 15 years old in Suzhou City,and to provide comprehensive data support for the prevention and control of infectious diseases among children.Methods The surveillance data of legal infectious diseases among children under 15 years old in Suzhou City from 2012 to 2022 were exported from the National Infectious Disease Monitoring System and an epidemiological analysis was conducted.The comparison of rates was conducted by Chi-square test of SPSS 17.0,and the test level was α=0.05.Results From 2012 to 2022,the incidence of legal infectious diseases among children under 15 years old in Suzhou City was relatively high,with an annual average incidence rate of 2 429.45/105.The incidence rate increased by 66.14％from 2012 to 2019,and the incidence rate decreased during the COVID-19 pandemic.Intestinal infectious diseases maintained an upward trend,ranking first in the category composition(82.09％).In terms of the incidence of single diseases,there were 232 755 cases of hand,foot and mouth disease,accounting for 71.43％,ranking first among childhood infectious diseases.Influenza(39268 cases,12.05％)and other infectious diarrhea diseases(33 975 cases,10.43％),ranked second and third,respectively.Children under 6 years old(83.37％)were the main cases.The average annual incidence in 5 central urban areas was higher than that in 5 peripheral urban areas(x2=1 691.288,P＜0.001).The seasonal characteristics showed a high incidence in the alternate seasons of spring and summer(May to July),and a tail curling phenomenon in autumn and winter(November to December).Conclusions The incidence of legal infectious diseases among children under 15 years old in Suzhou City showed an upward trend with obvious seasonal characteristics and significant differences in the distribution among different regions and ages.Accurate prevention and control should be carried out according to epidemiological characteristics and with the combination of actual situations.
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