2018—2022年资中县流感病例流行特征分析  

Epidemiological characteristics of influenza cases in Zizhong County of Sichuan Province from 2018 to 2022

作　　者：杨菲[1] 梁英凤 李华银 李静 罗春花 YANG Fei;LIANG Yingfeng;LI Huayin;LI Jing;LUO Chunhua(Sichuan Center for Disease Control and Prevention,Chengdu 610041,Sichuan Province,China;Zizhong Center for Disease Control and Prevention,Zizhong 641200,Sichuan Province,China)

机构地区：[1]四川省疾病预防控制中心,成都610041 [2]资中县疾病预防控制中心,四川资中641200

出　　处：《预防医学情报杂志》2023年第7期753-757,763,共6页Journal of Preventive Medicine Information

基　　金：四川省科技计划项目(项目编号:2021YFS0001)。

摘　　要：目的 分析资中县流行性感冒(以下简称“流感”)流行病学特征,为流感防控提供理论依据和指导意见。方法 数据来源于“中国传染病信息监测系统”2018—2022年的资中县流感样病例报告数据,采用Excel 2021和SPSS25.0软件对数据进行统计,对流感样病例的时间、年龄、性别、职业分布等作了描述性分析,组间比较采用χ^(2)检验,检验水准α=0.05。结果 资中县2018—2022年共报告流感样病例3 949例,每年流感样病例会有1~2个高峰期,集中在每年9月至次年4月;2018—2022年资中县流感样病例总数最高的年龄组为0~4岁年龄组(45.89%),其次为5~14岁年龄组(28.36%),60岁及以上年龄组报告病例总数较少(5.75%);流感样病例的性别构成比差异无统计学意义(χ^(2)=1.385,P=0.847),人群普遍易感;2018—2022年资中县流感样病例主要为散居儿童(32.67%)、学生(25.35%)、幼托儿童(22.01%)和农民(8.69%)。结论 2018—2022年资中县流感疫情主要发生在9月至次年4月,人群普遍易感,儿童青少年、农民中发病人数较多,应加强对重点时间段的疫情监测工作,加强对重点人群的健康教育,提高流感疫苗接种率,加强对重点场所的经常性消毒,才能有效地防止流感病毒的传播。Objective To analyze the epidemiological characteristics of influenza in Zizhong County,and to provide theoretical basis and guidance for influenza prevention and control.Methods The reported data of influenza-like cases of Zizhong County from 2018 to 2022 were derived from the China Infectious Disease Information Surveillance System.Excel 2021 and SPSS 25.0 were used to analyze the data,and a descriptive analysis was conducted for the time,age,sex and occupation distribution of influenza like illnesses.Chi-square test was used for comparison between groups,and the test level wasα=0.05.Results A total of 3949 influenza-like cases were reported in Zizhong County from 2018 to 2022,with one or two peak periods each year,mainly from September to following April.From 2018 to 2022,the age group with the highest number of influenza-like cases in Zizhong County was 0-4 years old(45.89%),followed by 5-14 years old(28.36%),and the age group over 60 years old reported a small number of cases(5.75%).There was no significant difference in the sex component ratio of influenza-like cases(χ^(2)=1.385,P=0.847).The population was generally susceptible.The influenza-like cases in Zizhong County from 2018 to 2022 were mainly scattered children(32.67%),students(25.35%),children in nursery care(22.01%)and farmers(8.69%).Conclusions From 2018 to 2022,the influenza epidemic in Zizhong County mainly occurred from September to following April,and the population was generally susceptible,with a large number of children,adolescents and farmers suffering from influenza.In order to effectively prevent the spread of influenza virus,it is necessary to strengthen the epidemic surveillance in the key time periods,strengthen health education of key populations,increase influenza vaccination rate and strengthen regular disinfection of key places.

关 键 词：流感样病例 流感 资中县 流行特征 

分 类 号：R511.7[医药卫生—内科学]