海口市2019年登革热本地和输入病例流行病学特征比较  

Comparison of epidemiological characteristics of local and imported cases of dengue fever in Haikou, 2019

作　　者：曾小平[1,2] 陈琴[1,2] 王明昌[1,2] 李永武[1] 曾宪懿[1] 林春燕 ZENG Xiao-ping;CHEN Qin;WANG Ming-chang;LI Yong-wu;ZENG Xian-yi;LIN Chun-yan(Haikou Center for Disease Control and Prevention,Haikou,Hainan 571100,China;Haikou Research Base of Key Laboratory of Infectious Surveillance and Early Warning of Chinese Center for Disease Control and Prevention,Haikou,Hainan 570100,China)

机构地区：[1]海口市疾病预防控制中心,海南海口571100 [2]中国疾病预防控制中心传染病监测重点实验室海口研究基地,海南海口571100

出　　处：《中国热带医学》2021年第8期779-783,共5页China Tropical Medicine

基　　金：海南省自然科学基金面上项目(No.817396)。

摘　　要：目的对2019年海口市登革热流行病学特征进行分析,比较本地和输入疫情特点,为海口市登革热防控工作提供参考依据。方法根据“中国疾病预防控制信息系统”和海口市、区疾控中心流行病学调查资料,对登革热病例的流行特征、感染来源和病原学等进行描述性分析。结果2019年累计报告登革热病例291例,发病率为12.64/10万。其中本地病例共报告251例(占86.3%),输入病例共报告40例(占13.7%)。输入病例中境外输入病例32例,均来自东南亚柬埔寨和泰国等国家,国内输入病例8例,主要来自广西和云南。输入病例集中在5—11月,本地病例集中在8—11月;本地病例40~<50岁人群占29.5%,民工(47.4%)所占比例最高,其次为商业服务(9.6%)和工人(8.4%);输入病例30~<40岁人群占40.0%,以商业服务(47.5%)、其他职业(12.5%)和工人(10.0%)为主;本地病例主要发生在建筑工地和城中村,而输入病例则集中在城区和城中村;病例从发病到诊断中位数为3.29 d,其中本地病例中位数为2.75 d,输入病例中位数为3.71 d;本地和输入病例就诊前自行购药的比例分别是7.6%和27.5%;77.3%的本地病例初次就诊选择省级或卫生院/社区及以下医疗机构,82.4%的输入病例初次就诊选择省级或市区级医疗机构;本地确诊病例均为登革病毒Ⅰ型,而输入病例中Ⅰ、Ⅱ、Ⅲ和Ⅳ型均有报告。结论2019年海口市登革热疫情以输入病例引起本地暴发为主,本地和输入病例的流行病学特征差异明显,应根据本地和输入病例流行病学特点,制定相应的登革热防控策略。Objective By analyzing the epidemiological characteristics of dengue fever in Haikou City in 2019 and comparing the characteristics of local and imported epidemic cases,the paper aims to provide a reference for the prevention and control work of dengue fever in Haikou City.Methods According to the Information System of Disease Prevention and Control in China and the epidemiological investigation data of CDC from cities and districts,the epidemiological characteristics,source of infection and etiology of dengue fever cases were analyzed descriptively.Results A total of 291 cases of dengue fever were reported in 2019,and the incidence in 2019 was 12.64/100000,A total of 251 local cases were reported,accounting for 86.3%,and 40 imported cases were reported,accounting for 13.7%,including 32 cases of imported overseas cases all from Cambodia,Thailand and other countries of Southeast Asia,and 8 cases of domestic cases mainly from Guangxi and Yunnan.Local cases were closely distributed from August to November,and imported cases from May to November.People of 40-<50 years old in local cases accounts for 29.5%,with the highest proportion of migrant workers(47.4%),followed by commercial services(9.6%)and workers(8.4%).People of 30-<40 years old in imported cases accounts for 40.0%that were mainly commercial services(47.5%),other professions(12.5%)and workers(10.0%).Local cases mainly occurred in construction sites and villages in the city,while the imported cases concentrated in urban areas and villages in the city.The median number of cases from onset to diagnosis was 3.29 days,of which the median of local cases was 2.75 days and the median of imported cases was 3.71 days.The percentages of buying medicines in advance before diagnosis of local and imported cases were7.6%and 27.5%respectively.77.3%of the local cases choose medical institutions that were either provincial or health center/community and those below them for the first time of receiving treatment,and 82.4%of the imported cases choose provincial or municipal me

关 键 词：登革热 本地 输入 流行病学特征 

分 类 号：R512.8[医药卫生—内科学]