Epidemiological, virological and serological investigation of a SARS-CoV-2 outbreak (Alpha variant) in a primary school: A prospective longitudinal study

• Elsa Lorthe ,

  Contributed equally to this work with: Elsa Lorthe, Mathilde Bellon

  Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

  * E-mail: elsa.lorthe@gmail.com

  Affiliation Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland

  https://orcid.org/0000-0002-9654-8104

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• Mathilde Bellon ,

  Contributed equally to this work with: Elsa Lorthe, Mathilde Bellon

  Roles Investigation, Validation, Writing – review & editing

  Affiliations Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland, Center for Emerging Viral Diseases, Geneva University Hospitals and University of Geneva, Geneva, Switzerland

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• Grégoire Michielin,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

  https://orcid.org/0000-0002-6809-9612

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• Julie Berthelot,

  Roles Investigation, Project administration, Writing – review & editing

  Affiliation Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland

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• María-Eugenia Zaballa,

  Roles Methodology, Project administration, Writing – review & editing

  Affiliation Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland

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• Francesco Pennacchio,

  Roles Data curation, Methodology, Writing – review & editing

  Affiliation Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland

  https://orcid.org/0000-0003-4967-7242

  ⨯
• Meriem Bekliz,

  Roles Formal analysis, Methodology, Writing – review & editing

  Affiliation Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland

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• Florian Laubscher,

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

  Affiliation Laboratory of Virology, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland

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• Fatemeh Arefi,

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

  Affiliation Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

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• Javier Perez-Saez,

  Roles Formal analysis, Visualization, Writing – review & editing

  Affiliations Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

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• Andrew S. Azman,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America, Institute of Global Health, Faculty of Medicine, University of Geneva, Geneva, Switzerland

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• Arnaud G. L’Huillier,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Laboratory of Virology, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland, Department of Pediatrics, Gynecology & Obstetrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland

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• Klara M. Posfay-Barbe,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Department of Pediatrics, Gynecology & Obstetrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland

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• Laurent Kaiser,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Center for Emerging Viral Diseases, Geneva University Hospitals and University of Geneva, Geneva, Switzerland, Division of Infectious Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland

  ⨯
• Idris Guessous,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliations Division of Primary Care, Geneva University Hospitals, Geneva, Switzerland, Department of Health and Community Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland

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• Sebastian J. Maerkl,

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

  Affiliation Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland

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• Isabella Eckerle ,

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

  ¶‡ IE and SS also contributed equally to this work and consider as senior authors.

  Affiliations Department of Microbiology and Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland, Center for Emerging Viral Diseases, Geneva University Hospitals and University of Geneva, Geneva, Switzerland, Laboratory of Virology, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland, Division of Infectious Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland

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• Silvia Stringhini ,

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing

  ¶‡ IE and SS also contributed equally to this work and consider as senior authors.

  Affiliations Unit of Population Epidemiology, Division of Primary Care Medicine, Geneva University Hospitals, Geneva, Switzerland, Department of Health and Community Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland, University Center for General Medicine and Public Health, University of Lausanne, Lausanne, Switzerland

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•  [ ... ],
• on behalf of the SEROCoV-Schools Study Group

  ¶Membership of the SEROCoV-Schools Study Group is provided in the Acknowledgments.

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