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山东大学学报 (医学版) ›› 2020, Vol. 58 ›› Issue (4): 54-57.doi: 10.6040/j.issn.1671-7554.0.2020.260

• • 上一篇    

济南市一起新型冠状病毒肺炎家庭聚集性疫情分析

王蔚茹1,李新蕊1,王芳2,赵小冬1,于秋燕1,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   

  1. 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
  • 发布日期:2022-09-27
  • 通讯作者: 耿兴义. E-mail: jncdcgxy@jn.shandong.cn

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

WANG Weiru1, LI Xinrui1, WANG Fang2, ZHAO Xiaodong1, YU Qiuyan1, YANG Guoliang1, LI Zhan1, CHANG Caiyun1, ZHAO Mengjiao1, LIU Xiaoxue1, LI Chuanbin1, SUN Zhan1, GENG Xingyi1   

  1. 1. Jinan Center for Disease Control and Prevention, Jinan 250021, Shandong, China;
    2. Prevention and Control Center of Jinan City Tianqiao Distnct, Jinan 250031, Shandong, China
  • Published:2022-09-27

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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。

关键词: 新型冠状病毒肺炎, 聚集性, 传播链, 防控

Abstract: 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.

Key words: Novel coronavirus pneumonia, Clustering, Transmission chain, Prevention and control

中图分类号: 

  • R511
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