The basic reproduction number can be accurately estimated within 14 days after societal lockdown: The early stage of the COVID-19 epidemic in Denmark

• Jan Brink Valentin ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: jvalentin@dcm.aau.dk

  Affiliation Danish Center for Clinical Health Services Research (DACS), Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Aalborg, Denmark

  https://orcid.org/0000-0002-8205-7179

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• Henrik Møller,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Danish Center for Clinical Health Services Research (DACS), Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Aalborg, Denmark, The Danish Clinical Quality Program and Clinical Registries (RKKP), Aarhus, Denmark

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• Søren Paaske Johnsen

  Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

  Affiliation Danish Center for Clinical Health Services Research (DACS), Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Aalborg, Denmark

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