厦门市新型冠状病毒感染流行病学特征分析

Epidemiological characteristics of COVID-19 cases in Xiamen City

目的 分析厦门市新型冠状病毒感染的流行病学特征,为今后类似疫情防控与处置提供参考。方法 收集厦门市2020年1月22日至2022年12月6日报告的新冠病例个案信息,采用描述性分析方法进行特征分析。结果 共报告新冠病例4 100例,无死亡病例,其中确诊病例占86.8%(3 559例)、无症状感染者占13.2%(541例);境外输入病例占77.2%(3 166例),境内本土病例占22.8%(934例)。男女性别比1.7∶1.0,发病中位年龄39(28~51)岁,发病年龄为2/12~92岁。病例集中分布在20~59岁组(82.5%,3 384例);临床分型以普通型51.1%(2 097例)和轻型35.1%(1 440例)为主;病例职业分布前3位分别为家务/待业21.1%(864例)、商业服务19.9%(815例)和学生12.7%(522例)。结论 厦门市采取精准防控措施,始终将新冠疫情控制在较小范围,取得明显防控成效。

Objective To analyze epidemiological characteristics of COVID-19 cases in Xiamen City,and to provide reference for the prevention,control and management for future pandemic.Methods Data of COVID-19 cases reported in Xiamen between Jan.22,2020,and Dec.6,2022 were collected.Descriptive analysis method was used to illustrate epidemiological features.Results A total of 4100 cases of COVID-19 were reported,of which 86.8%(3559 cases)were confirmed cases,and 13.2%(n=541)were asymptomatic cases.None of cases died.Imported cases from outside China accounted for 77.2%(n=3166)and indigenous cases found in China accounted for 22.8%(n=934).The male-to-female sex ratio was 1.7∶1.0,with an median age of 39 years(IQR:2851)at onset.The age range of onset was 2/12 to 92 years,with the majority were aged 20 to 59 years(82.5%,n=3384).Clinical classification was dominated by the common type 51.1%(n=2097)and the mild type 35.1%(n=1440).The top three occupations were housework/unemployed of 21.1%(n=864),business services of 19.9%(n=815),and students of 12.7%(n=522).Conclusions Xiamen has taken precise prevention and control measures to contain the spread of COVID-19.The epidemic has been controlled in a small range,indicating effectiveness of preventive measures.