Clinical characteristics and risk factors for COVID-19 infection and disease severity: A nationwide observational study in Estonia

• Tatjana Meister ,

  Contributed equally to this work with: Tatjana Meister, Heti Pisarev, Anneli Uusküla

  Roles Conceptualization, Data curation, Project administration, Writing – original draft

  * E-mail: tatjana.meister@ut.ee

  Affiliation Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia

  https://orcid.org/0000-0002-4213-6657

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• Heti Pisarev ,

  Contributed equally to this work with: Tatjana Meister, Heti Pisarev, Anneli Uusküla

  Roles Data curation, Formal analysis, Software, Writing – review & editing

  Affiliation Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia

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• Raivo Kolde ,

  Roles Visualization, Writing – review & editing

  ¶‡ RK, RK, and KS also contributed equally to this work.

  Affiliation Institute of Computer Science, University of Tartu, Tartu, Estonia

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• Ruth Kalda ,

  Roles Conceptualization, Funding acquisition, Project administration, Writing – review & editing

  ¶‡ RK, RK, and KS also contributed equally to this work.

  Affiliation Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia

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• Kadri Suija ,

  Roles Conceptualization, Formal analysis, Writing – review & editing

  ¶‡ RK, RK, and KS also contributed equally to this work.

  Affiliation Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia

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• Lili Milani,

  Roles Writing – review & editing

  Affiliation Institute of Genomics, University of Tartu, Tartu, Estonia

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• Liis Karo-Astover,

  Roles Writing – review & editing

  Affiliation Institute of Genomics, University of Tartu, Tartu, Estonia

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• Marko Piirsoo,

  Roles Writing – review & editing

  Affiliation Institute of Technology, University of Tartu, Tartu, Estonia

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• Anneli Uusküla

  Contributed equally to this work with: Tatjana Meister, Heti Pisarev, Anneli Uusküla

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Writing – review & editing

  Affiliation Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia

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