绍兴市新型冠状病毒肺炎病例流行特征分析  

Epidemiological characteristics of COVID-19 in Shaoxing

作　　者：王吉玲[1] 马岩[1] 方益荣[1] 徐来潮 许树红 刘明奇 WANG Jiling;MA Yan;FANG Yirong;XU Laichao;XU Shuhong;LIU Mingqi(Shaoxing Center for Disease Control and Prevention,Shaoxing,Zhejiang 312071,China)

机构地区：[1]绍兴市疾病预防控制中心,浙江绍兴312071

出　　处：《预防医学》2020年第8期787-789,794,共4页CHINA PREVENTIVE MEDICINE JOURNAL

基　　金：绍兴市市级科技计划项目。

摘　　要：目的分析2020年1月23日—3月31日绍兴市报告的新型冠状病毒肺炎(COVID-19)病例流行特征,为COVID-19疫情防控工作提供依据。方法通过传染病报告管理信息系统收集2020年1月23日—3月31日绍兴市报告的COVID-19病例资料,同时收集绍兴市各级疾病预防控制中心现场流行病学调查资料,采用描述流行病学方法对绍兴市COVID-19病例的时间分布、地区分布、人群分布、临床特征和感染来源进行分析。结果截至2020年3月31日,绍兴市共报告COVID-19确诊病例42例,无死亡病例。首例报告病例于1月23日确诊,末例病例于2月13日确诊,发病高峰在1月中下旬。各县(市、区)均有病例报告,以越城区报告病例最多,为14例。病例年龄≥45岁25例,占59.52%;职业以商业服务和家务待业为主,分别为13例和8例,占30.95%和19.05%;未发现医务人员感染。临床症状主要有发热、干咳、乏力和肺炎影像学特征;重型和危重型病例分别为9例和3例,占21.43%和7.14%。输入病例34例,占80.95%,主要由湖北省输入。排查密切接触者1 955人,确诊4例,感染率为0.20%。结论绍兴市COVID-19病例中≥45岁和重症患者比例较高,以湖北省输入病例为主。未发生社区水平的持续传播,未发生医护人员感染,无死亡病例。Objective To analyze the epidemiological characteristics of coronavirus disease 2019( COVID-19) in Shaoxing from January 23 to March 31, 2020, so as to provide basis for the prevention and control of COVID-19.Methods The information of the COVID-19 cases in Shaoxing were collected from the National Diseases Prevention and Control Information System and the field investigation by CDCs. A descriptive analysis was used for the epidemiological characteristics, including time, spatial and population distribution, clinical features and exposure history.Results Totally42 confirmed cases of COVID-19 were reported by March 31, without deaths. The first case was reported on January23 and the last one was on February 13. The onset of cases peaked in mid-to-late January. All the counties(cities or districts) had confirmed cases, 14 cases were reported in Yuecheng District. Twenty-five( 59.52%) cases were 45 years old or over. Thirteen(30.95%)cases were engaged in business and eight(19.05%)cases were unemployed. No caseswere found among medical staff. The main clinical symptoms were fever, dry cough, fatigue and imaging features of pneumonia,with nine( 21.43%) severe cases and three( 7.14%) critical cases. There were 34( 80.95%) imported cases, who mainly came from Hubei Province. Totally 1 955 close contacts were tracked down, among whom 4 cases were confirmed, with the infection rate of 0.20%.Conclusion s The COVID-19 cases reported in Shaoxing were mainly aged 45 years or over, severe and imported from Hubei Province. There was no continuous transmission in the community, and no infection in medical staff or deaths.

关 键 词：新型冠状病毒肺炎 严重急性呼吸综合征冠状病毒2型 流行特征 

分 类 号：R181.3[医药卫生—流行病学]