六安市69例新型冠状病毒肺炎病例的流行病学特征  

Epidemic characteristics of 69 COVID-19 cases in Lu′an City

作　　者：魏倩楠 易伟卓 潘如兵 李开春[2] 储昭阳 俞亮 袁伟 魏祥 张勤[1] 冷瑞雪[1] 潘海峰[1] 王盈 陶莎莎[1] 叶冬青[1] 苏虹[1] WEI Qian-nan;YI Wei-zhuo;PAN Ru-bing;LI Kai-chun;CHU Zhao-yang;YU Liang;YUAN Wei;WEI Xiang;ZHANG Qin;LENG Rui-xue;PAN Hai-feng;WANG Ying;TAO Sha-sha;YE Dong-qing;SU Hong(Department of Epidemiology and Health Statistics,School of Public Health,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province,Hefei 230032,China;Lu'an Center for Disease Control and Prevention,Lu'an 237000,China;Huoshan Center for Disease Control and Prevention,Lu'an 237200,China;Jinzhai Center for Disease Control and Prevention,Lu'an 237300,China;Huoqiu Center for Disease Control and Prevention,Lu'an 237400,China)

机构地区：[1]安徽医科大学公共卫生学院流行病与卫生统计学系,炎症免疫性疾病安徽省实验室,合肥230032 [2]六安市疾病预防控制中心,六安237000 [3]六安市霍山县疾病预防控制中心,六安237200 [4]六安市金寨县疾病预防控制中心,六安237300 [5]六安市霍邱县疾病预防控制中心,六安237400

出　　处：《中华疾病控制杂志》2021年第4期421-426,共6页Chinese Journal of Disease Control & Prevention

基　　金：安徽医科大学第二批新型冠状病毒肺炎疫情应急科研攻关项目(YJGG202005)。

摘　　要：目的探究六安市COVID-19病例的流行特征,为该地COVID-19疫情防控提供科学依据。方法选取截至2020年2月18日24时传染病报告系统中六安市所有COVID-19确诊病例,收集一般人口学特征、病例发病和就诊信息、流行病学特征等资料描述病例特征,采用SaTScan 9.6.0.0软件分析疾病传播的时空分布特征,应用Excel 2010软件绘制流行曲线。结果六安截至2020年2月18日共报告确诊病例69例,男性(44例)多于女性(25例),年龄集中在36~45岁(37.68%),工人最多(24.64%)。首发症状以发热(50例,72.46%)、咳嗽(25例,36.23%)和乏力(12例,17.40%)为主。全市以金寨县(23例)、霍山县(17例)和霍邱县(13例)疫情最严重。发病数于1月25~28日出现首个流行峰,1月27日出现单日最高,后呈下降趋势。共发生45例聚集性病例。结论六安市COVID-19疫情总体可防可控,后期需警惕家庭聚集性和无症状感染者以及输入性病例传播的风险,做好密切接触者的排查工作。Objective To explore the epidemic characteristics of COVID-19 in Lu′an city,so as to provide scientific basis for the prevention and control of COVID-19 in this area.Methods All the confirmed cases of COVID-19 were selected from the Infectious Disease Reporting System from the onset of disease to 24:00 on February 18 th,2020 in Lu′an City.The general demographic,onset and medical information,and epidemiological characteristics of confirmed cases were collected to describe the feature of patients.The spatial and temporal distribution of disease transmission was analyzed by SaTScan 9.6.0.0 software,and Excel 2010 software was used to draw the epidemic curves of all cases.Results A total of 69 confirmed cases were reported in Lu′an City by February 18 th,2020.There were more male cases(44)than female(25),and cases mainly aged 36-45 years old(37.68%).The proportion of workers was the highest(24.64%).The first symptom of conformed cases was fever(50,72.46%),cough(25,36.23%)and fatigue(12,17.40%).The epidemic was more serious in Jinzhai County(23),Huoshan County(17)and Huoqiu County(13).The number of cases in Lu′an showed that the first epidemic peak occurred between January 25 th and January 28 th,and the largest number of cases occurred on January 27 th,then showed a downward trend.A total of 45 aggregate cases were found.Conclusion The COVID-19 epidemic in Lu′an City is generally preventable and controllable.It will be alert to the risk of family clustering,spread of asymptomatic infections and imported cases.Future work should focus on the investigation of close contacts.

关 键 词：新型冠状病毒肺炎 流行特征 聚集性病例 

分 类 号：R181[医药卫生—流行病学]