济南市一起新型冠状病毒肺炎家庭聚集性疫情分析  

Analysis of a family cluster outbreak of coronavirus disease 2019 in Jinan City

作　　者：王蔚茹[1] 李新蕊[1] 王芳[2] 赵小冬[1] 于秋燕 杨国樑[1] 李战[1] 常彩云[1] 赵梦娇[1] 刘晓雪[1] 李传彬[1] 孙湛[1] 耿兴义[1] WANG Weiru;LI Xinrui;WANG Fang;ZHAO Xiaodong;YU Qiuyan;YANG Guoliang;LI Zhan;CHANG Caiyun;ZHAO Mengjiao;LIU Xiaoxue;LI Chuanbin;SUN Zhan;GENG Xingyi(Jinan Center for Disease Control and Prevention,Jinan 250021,Shandong,China;Prevention and Control Center of Jinan City Tianqiao Distnct,Jinan 250031,Shandong,China)

机构地区：[1]济南市疾病预防控制中心,山东济南250021 [2]济南市天桥区疾病预防控制中心,山东济南250031

出　　处：《山东大学学报（医学版）》2020年第4期54-57,94,共5页Journal of Shandong University:Health Sciences

摘　　要：目的分析济南市一起新型冠状病毒肺炎家庭聚集性疫情及传播链,为制定防控策略提供科学依据。方法按照《新型冠状病毒肺炎防控方案(第二版)》以首例病例为线索,对密切接触者进行个案调查,分析其传播链,对采集的相关标本进行新型冠状病毒核酸检测。结果临床症状分别为3例普通型、1例轻型和1例无症状感染者,无重症病例。首例病例A于2020年1月25日发病,其他病例发病日期为首例病例发病后4~7 d,所有家庭成员共同生活,共同就餐,家庭聚集性感染风险较高,病例B、C、D和阳性检测者E为新型冠状病毒肺炎二代病例,传播链清晰,为一起新型冠状病毒肺炎家庭聚集性疫情。结论及早发现传染源,对密切接触者进行筛查,为防止进一步传播其有重要意义。应继续严格执行早发现、早报告、早隔离、早诊断的防控策略。Objective To analyze the transmission chain of a family cluster outbreak of coronavirus disease 2019(COVID-19)in Jinan City in order to provide scientific basis for the prevention and control strategies.Methods According to the"COVID-19 Diagnosis and Treatment Plan",the first case was investigated to track the close contacts and analyze the transmission chain.Close contacts received 2019-nCoV nucleic acid test.Results A total of 5 cases were tracked,including 3 common cases,1 mild case and 1 asymptomatic case.The first case had onset on Jan.25,2020,and the other cases had onset 4 to 7 days later.All family members lived and dined together,which imposed high risk of transmission.Cases B,C,D and E were second generation cases,and the transmission chain was clear.It was obviously a family cluster.Conclusion Early detection of the infection source and screening of close contact are significant for the prevention and control of COVID-19.Strategies of early detection,early report,early quarantine and early diagnosis should be strictly implemented.

关 键 词：新型冠状病毒肺炎 聚集性 传播链 防控 

分 类 号：R511[医药卫生—内科学]