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      Potential Presymptomatic Transmission of SARS-CoV-2, Zhejiang Province, China, 2020

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          Abstract

          We report a 2-family cluster of persons infected with severe acute respiratory syndrome coronavirus 2 in the city of Zhoushan, Zhejiang Province, China, during January 2020. The infections resulted from contact with an infected but potentially presymptomatic traveler from the city of Wuhan in Hubei Province.

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          Is Open Access

          Detection of 2019 novel coronavirus (2019-nCoV) by real-time RT-PCR

          Background The ongoing outbreak of the recently emerged novel coronavirus (2019-nCoV) poses a challenge for public health laboratories as virus isolates are unavailable while there is growing evidence that the outbreak is more widespread than initially thought, and international spread through travellers does already occur. Aim We aimed to develop and deploy robust diagnostic methodology for use in public health laboratory settings without having virus material available. Methods Here we present a validated diagnostic workflow for 2019-nCoV, its design relying on close genetic relatedness of 2019-nCoV with SARS coronavirus, making use of synthetic nucleic acid technology. Results The workflow reliably detects 2019-nCoV, and further discriminates 2019-nCoV from SARS-CoV. Through coordination between academic and public laboratories, we confirmed assay exclusivity based on 297 original clinical specimens containing a full spectrum of human respiratory viruses. Control material is made available through European Virus Archive – Global (EVAg), a European Union infrastructure project. Conclusion The present study demonstrates the enormous response capacity achieved through coordination of academic and public laboratories in national and European research networks.
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            Author and article information

            Journal
            Emerg Infect Dis
            Emerging Infect. Dis
            EID
            Emerging Infectious Diseases
            Centers for Disease Control and Prevention
            1080-6040
            1080-6059
            May 2020
            : 26
            : 5
            : 1052-1054
            Affiliations
            [1]Zhoushan Center for Disease Control and Prevention, Zhoushan, China
            Author notes
            Address for correspondence: Peng Li or Jian-Bo Yan, Zhoushan Center for Disease Control and Prevention, No. 568, Wengshan Rd, 316021, Zhoushan City, Zhejiang Province, China; email: lipengahmu@ 123456qq.com or yanjianbo02@ 123456163.com
            Article
            20-0198
            10.3201/eid2605.200198
            7181913
            32091386
            5250e951-f99e-474a-ab21-4bc9858fd794
            History
            Categories
            Research Letter
            Research Letter
            Potential Presymptomatic Transmission of SARS-CoV-2, Zhejiang Province, China, 2020

            Infectious disease & Microbiology
            cluster,asymptomatic,coronavirus,2019 novel coronavirus disease,covid-19,severe acute respiratory syndrome coronavirus 2,sars-cov-2,viruses,respiratory infections,zhejiang,china

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