An ecological study to evaluate the association of Bacillus Calmette-Guerin (BCG) vaccination on cases of SARS-CoV2 infection and mortality from COVID-19

• Lucy Chimoyi ,

  Contributed equally to this work with: Lucy Chimoyi, Kavindhran Velen, James J. Lewis, Salome Charalambous

  Roles Formal analysis, Methodology, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: lchimoyi@auruminstitute.org

  Affiliation The Aurum Institute, Parktown, Johannesburg, South Africa

  https://orcid.org/0000-0002-0083-8319

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• Kavindhran Velen ,

  Contributed equally to this work with: Lucy Chimoyi, Kavindhran Velen, James J. Lewis, Salome Charalambous

  Roles Conceptualization, Writing – review & editing

  Affiliations The Aurum Institute, Parktown, Johannesburg, South Africa, Sydney School of Medicine (Central Clinical School), Faculty of Medicine and Health, University of Sydney, Sydney, Australia

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• Gavin J. Churchyard,

  Roles Writing – review & editing

  Affiliations The Aurum Institute, Parktown, Johannesburg, South Africa, School of Public Health, University of the Witwatersrand, Parktown, Johannesburg, South Africa

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• Robert Wallis,

  Roles Writing – review & editing

  Affiliation The Aurum Institute, Parktown, Johannesburg, South Africa

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• James J. Lewis ,

  Contributed equally to this work with: Lucy Chimoyi, Kavindhran Velen, James J. Lewis, Salome Charalambous

  Roles Methodology, Supervision, Writing – review & editing

  Affiliation Y Lab, Public Services Innovation Lab for Wales, School of Social Sciences, Cardiff University, Wales, United Kingdom

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• Salome Charalambous

  Contributed equally to this work with: Lucy Chimoyi, Kavindhran Velen, James J. Lewis, Salome Charalambous

  Roles Conceptualization, Data curation, Writing – original draft, Writing – review & editing

  Affiliations The Aurum Institute, Parktown, Johannesburg, South Africa, School of Public Health, University of the Witwatersrand, Parktown, Johannesburg, South Africa

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