阆中市一起新型冠状病毒肺炎聚集性疫情的调查  

Investigation of an outbreak of novel coronavirus diseases (COVID-19) in Langzhong

作　　者：曹妍[1] 盛凌 冉定鑫[1] 蒲奎[1] 杨小琼 杨桂华 宋莉 黄亚兰 李杨 CAO Yan;SHENG Ling;RAN Ding-xin;PU Kui;YANG Xiao-qiong;YANG Gui-hua;SONG Li;HUANG Ya-lan;LI Yang(Langzhong Center for Disease Control and Prevention,Langzhong,Sichuan 637455,China)

机构地区：[1]阆中市疾病预防控制中心,四川阆中637455

出　　处：《现代预防医学》2020年第22期4198-4200,4205,共4页Modern Preventive Medicine

摘　　要：目的描述和分析阆中市一起新冠肺炎聚集性疫情的流行病学特征,为防控提供依据。方法调查患者人口学特征、发病时间、感染来源及密切接触者等信息,采用描述性流行病学方法进行描述。结果该起疫情共报告6例新冠肺炎病例,确诊5例、无症状感染者1例,罹患率6.25%(6/96),无病例死亡。首发病例为湖北输入性,二代续发率为5.3%(5/95)。结论本次疫情为一起家庭聚集性疫情,感染方式主要考虑因居家聚餐和娱乐而引起的飞沫、接触传播。Objective The study aimed to describeand analyze epidemiological characteristics of an outbreak of novel coronavirus diseases(COVID-19)in Langzhong city,to provide evidence for prevention and control.Methods Descriptive epidemiological methods were used to analyze the characteristics of cases,examination of age distributions,time of onset,source of infection and close contacts.Results A total of 6 cases of(COVID-19)were reported in this outbreak,including 5 confirmed cases and 1 asymptomatic case,and the attack rate was 6.25%(6/96).There was no death.The first cases were imported from Hubei,and the second-generation incidence was 5.3%(5/95).Conclusion The outbreak is a family cluster outbreak,and the infection mode mainly considers droplets and contact transmission caused by home dinner and entertainment.

关 键 词：新型冠状病毒肺炎 流行病学特征 描述性分析 

分 类 号：R181.8[医药卫生—流行病学]