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Post-lockdown SARS-CoV-2 nucleic acid screening in nearly ten million residents of Wuhan, China

Author

Listed:
  • Shiyi Cao

    (Huazhong University of Science and Technology)

  • Yong Gan

    (Huazhong University of Science and Technology)

  • Chao Wang

    (Huazhong University of Science and Technology)

  • Max Bachmann

    (University of East Anglia)

  • Shanbo Wei

    (Wuhan Municipal Health Commission)

  • Jie Gong

    (Wuhan Centre for Clinical Laboratory)

  • Yuchai Huang

    (Huazhong University of Science and Technology)

  • Tiantian Wang

    (Huazhong University of Science and Technology)

  • Liqing Li

    (Jiangxi Science and Technology Normal University)

  • Kai Lu

    (Huazhong University of Science and Technology)

  • Heng Jiang

    (La Trobe University
    University of Melbourne)

  • Yanhong Gong

    (Huazhong University of Science and Technology)

  • Hongbin Xu

    (Huazhong University of Science and Technology)

  • Xin Shen

    (Huazhong University of Science and Technology)

  • Qingfeng Tian

    (School of Public Health, Zhengzhou University)

  • Chuanzhu Lv

    (The Second Affiliated Hospital of Hainan Medical University)

  • Fujian Song

    (University of East Anglia)

  • Xiaoxv Yin

    (Huazhong University of Science and Technology)

  • Zuxun Lu

    (Huazhong University of Science and Technology)

Abstract

Stringent COVID-19 control measures were imposed in Wuhan between January 23 and April 8, 2020. Estimates of the prevalence of infection following the release of restrictions could inform post-lockdown pandemic management. Here, we describe a city-wide SARS-CoV-2 nucleic acid screening programme between May 14 and June 1, 2020 in Wuhan. All city residents aged six years or older were eligible and 9,899,828 (92.9%) participated. No new symptomatic cases and 300 asymptomatic cases (detection rate 0.303/10,000, 95% CI 0.270–0.339/10,000) were identified. There were no positive tests amongst 1,174 close contacts of asymptomatic cases. 107 of 34,424 previously recovered COVID-19 patients tested positive again (re-positive rate 0.31%, 95% CI 0.423–0.574%). The prevalence of SARS-CoV-2 infection in Wuhan was therefore very low five to eight weeks after the end of lockdown.

Suggested Citation

  • Shiyi Cao & Yong Gan & Chao Wang & Max Bachmann & Shanbo Wei & Jie Gong & Yuchai Huang & Tiantian Wang & Liqing Li & Kai Lu & Heng Jiang & Yanhong Gong & Hongbin Xu & Xin Shen & Qingfeng Tian & Chuanz, 2020. "Post-lockdown SARS-CoV-2 nucleic acid screening in nearly ten million residents of Wuhan, China," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19802-w
    DOI: 10.1038/s41467-020-19802-w
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    Cited by:

    1. Chaufan, Claudia & Heredia, Camila & McDonald, Jennifer & Hemsing, Natalie, 2023. "The balance of risks and benefits in the COVID-19 “vaccine hesitancy” literature: An umbrella review," SocArXiv r9xs7, Center for Open Science.

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