湖南省郴州市新型冠状病毒肺炎流行病学特征分析  

Epidemiological characteristics of patients with coronavirus disease 2019 in Chenzhou City

作　　者：李映霞 谭文艳 刘勋[1] 肖俊 苏小可[1] 刘卫[1] 谭徽[1] LI Ying-xia;TAN Wen-yan;LIU Xun;XIAO Jun;SU Xiao-ke;LIU Wei;TAN Hui(Chenzhou Center for Disease Control and Prevention,Chenzhou,Hunan 423000,China)

机构地区：[1]郴州市疾病预防控制中心,湖南郴州423000

出　　处：《上海预防医学》2020年第9期716-721,共6页Shanghai Journal of Preventive Medicine

基　　金：2020年郴州市级重点研发及技术创新专项项目(ZDYF2020197)。

摘　　要：【目的】了解湖南省郴州市新型冠状病毒肺炎(新冠肺炎)疫情的流行病学特征,为遏制疫情提供依据。【方法】采用描述性流行病学方法,回顾性分析郴州市2020年1月23日-3月10日新冠肺炎确诊病例及无症状感染者的流行病学特征。【结果】共报告新冠肺炎确诊病例39例,无症状感染者6例,无死亡病例。共发生8起聚集性疫情,均发生在家庭内。不同类型疫情的病例来源差异有统计学意义(χ~2=15.996,P<0.001),本地病例均由聚集性疫情引起;随着疫情的发展,病例由输入为主转变为以本地为主;疫情覆盖全市81.81%的县市区,报告地区首例病例均为输入性。【结论】郴州市新冠肺炎疫情已基本得到控制,现阶段防控重点为加强出入境人员卫生检疫,防止境外输入性疫情的发生。[Objective]To identify the epidemiological features of COVID-19 epidemic in Chenzhou City,Hunan province so as to provide scientific evidence for effective containment of the COVID-19 epidemic.[Methods]Descriptive epidemiological method was used to retrospectively characterize the confirmed COVID-19 cases and asymptomatic cases in Chenzhou City from January 23 through March 10,2020.[Results]A total of 39 confirmed COVID-19 cases and 6 asymptomatic cases infection were documented in the city,with no death.We identified 8 clusters of COVID-19,which were all familial transmission.There was statistical difference between the sources of different types of epidemic(χ2=15.996,P<0.001),in which all the local COVID-19 cases were the secondary cases in the clusters.As the epidemic expanded,the trend shifted from imported-case-centered to local-case-centered.The epidemic has covered 81.81%of the city area;in each area,the first COVID-19 cases were all imported.[Conclusion]The COVID-19 epidemic has been effectively controlled.At present,we focus on the quarantine in the entry and exit to prevent the imported epidemic.

关 键 词：新型冠状病毒肺炎 流行病学 确诊病例 无症状感染者 

分 类 号：R183.3[医药卫生—流行病学] R563.1[医药卫生—公共卫生与预防医学]