2014-2022年四川省百日咳流行病学特征

Epidemiological characteristics of pertussis in Sichuan province,2014-2022

目的 分析四川省百日咳流行病学特征。方法 利用中国疾病预防控制信息系统,收集2014-2022年四川省百日咳报告病例,描述性分析百日咳流行特征。结果 2014-2022年四川省百日咳年均报告发病率为1.43/10万(10 642例);其中2014-2016年、2017-2019年、2020-2022年分别为0.33/10万(801例)、1.62/10万(4 037例)、2.31/10万(5 804例)。0-4岁、5-9岁、≥10岁年龄组百日咳报告发病率分别为20.05/10万(7 632例)、6.15/10万(2 599例)、0.08/10万(411例),其中0岁组为66.33/10万(4 731例)。实验室诊断病例比例为49.06%(5 422/10 642)。结论 2014-2022年四川省百日咳报告发病率呈上升趋势,发病以小年龄儿童为主。需加强百日咳监测,提高实验室检测能力,优化儿童百日咳免疫策略。

Objective To explore epidemiological characteristics of pertussis in Sichuan province.Methods We obtained pertussis reports during 2014-2022 in Sichuan from the Chinese Disease Control and Prevention Information System for a descriptive epidemiological analysis.Results A total of 10642 pertussis cases were reported in Sichuan during 2014-2022,for an annual average incidence of 1.43 cases per 100000 population.Incidences per 100000 in 2014-2016,2017-2019,and 2020-2022 were 0.33(801 cases),1.62(4037 cases),and 2.31(5804 cases),respectively.Incidences per 100000 for 0-4-,5-9-,and≥10-year-olds were 20.05(7632 cases),6.15(2599 cases),and 0.08(411 cases),with 66.33(4731 cases)for 0-year-olds.49.06%(5422/10642)of cases were laboratory-confirmed.Conclusions The incidence of pertussis increased from 2014 to 2022 in Sichuan,especially among young children.We should strengthen pertussis surveillance,improve laboratory testing capacity,and optimize childhood pertussis immunization strategies.