Analysis on epidemiological characteristics of pertussis in Liaocheng city,Shandong province in 2022
Objective To analyze the epidemiological characteristics of pertussis in Liaocheng city,Shandong province in 2022,so as to provide reference for the prevention and control of pertussis.Methods Pertussis incidence data in Li-aocheng city in 2022 were collected from the China Disease Control and Prevention Information System for analyses of epidemiological characteristics.A self-designed questionnaire was applied to find out whether the 44 hospitals directly re-porting infectious diseases testing for whooping cough,and testing methods.Results A total of 1 143 cases of pertussis were reported in Liaocheng city in 2022,with a incidence of 19.20/105.Pertussis cases were mainly concentrated in Febru-ary-May and July-August.About 90.99％of the total cases were people in the age group of 0-8 years old.The top 3 repor-ted incidences of each age group were 0 years old(562.89/105),5 years old(246.49/105)and 1 years old(142.64/105).Cases age≤2 months,3-5 months,and 6-11 months accounted for 27.87％,50.41％,and 21.72％of the number of reported cases in the 0 year group,respectively.A total of 5 hospitals carried out laboratory testing for pertussis and re-ported 912 cases,with 91.01％of cases confirmed in Liaocheng city in 2022.Conclusion The reported incidence of per-tussis in Liaocheng city in 2022 was 19.20/105,and the cases were concentrated in the 0-8 years old age group.
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