Journal of Shandong University (Health Sciences) ›› 2020, Vol. 58 ›› Issue (4): 7-11.doi: 10.6040/j.issn.1671-7554.0.2020.312

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Epidemiological characteristics of the first COVID-19 case and related family cluster outbreaks in Jinan City

CHANG Caiyun1, YU Qiuyan1, ZHAO Xiaodong1, WANG Fang2, LI Wei3, RUAN Shiman1, GENG Xingyi1   

  1. 1. Jinan Municipal Center for Disease Control and Prevention, Jinan 250021, Shandong, China;
    2. Center for Disease Control and Prevention of Tianqiao District, Jinan 250031, Shandong, China;
    3. Center for Disease Control and Prevention of Huaiyin District, Jinan 250022, Shandong, China
  • Published:2022-09-27

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Abstract: Objective To analyze the epidemiological characteristics of the first COVID-19 case and related family cluster outbreaks in Jinan City. Methods With reference to the diagnostic criteria in “COVID-19 Diagnosis and Treatment Plan(trail version 5)”, information of the first COVID-19 case in Jinan City and related cluster outbreaks was collected, and the epidemiological characteristics were analyzed. Results The first COVID-19 case(case 1)had onset on Jan. 16, 2020, and led to a family cluster outbreak of 4 cases(cases 1 to 4). Case 5 took the same flight as case 1 and led to another family cluster outbreak of 3 cases(cases 5 to 7). Case 8 was a colleague of case 5 and led to the third family cluster of 3 cases(cases 8 to 10). Conclusion Family cluster is a common way of COVID-19 transmission. Personal protection is important for the control of family cluster outbreaks.

Key words: Coronavirus disease 2019, Epidemiological characteristics, Family cluster

CLC Number: 

  • R181.3
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