COVID-19 IgG seropositivity and its determinants in occupational groups of varying infection risks in two Andean cities of Ecuador before mass vaccination

• Jose E. Leon-Rojas ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: JoseEduardo.Leon@autonoma.cat

  Affiliations Departamento de Pediatría, Obstetricia y Ginecología y Medicina Preventiva, Universitat Autonoma de Barcelona (UAB), Barcelona, Spain, Research Network Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL), Universidad Internacional del Ecuador, Quito, Ecuador

  https://orcid.org/0000-0002-8130-6460

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• Fernanda Arias-Erazo,

  Roles Data curation, Investigation, Validation, Writing – original draft, Writing – review & editing

  Affiliations School of Medicine, Universidad Internacional del Ecuador, Quito, Ecuador, Grupo de Investigación en Sanidad Animal y Humana (GISAH) ESPE, Quito, Ecuador

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• Patricia Jiménez-Arias,

  Roles Funding acquisition, Investigation, Resources, Writing – original draft, Writing – review & editing

  Affiliations Research Network Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL), Universidad Internacional del Ecuador, Quito, Ecuador, Grupo de Investigación en Sanidad Animal y Humana (GISAH) ESPE, Quito, Ecuador, Departamento de Ciencias de la Vida y de la Agricultura, Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador

  https://orcid.org/0000-0002-0666-177X

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• Ricardo Recalde-Navarrete,

  Roles Funding acquisition, Investigation, Resources, Writing – original draft, Writing – review & editing

  Affiliations Research Network Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL), Universidad Internacional del Ecuador, Quito, Ecuador, Medical School, Universidad Tecnica de Ambato, Ambato, Ecuador

  https://orcid.org/0000-0001-5896-605X

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• Angel Guevara,

  Roles Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

  Affiliation Universidad Central del Ecuador, Quito, Ecuador

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• Josefina Coloma,

  Roles Investigation, Methodology, Resources, Writing – original draft, Writing – review & editing

  Affiliation School of Public Health, University of California, Berkeley, Berkeley, CA, United States of America

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• Miguel Martin,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliations Departamento de Pediatría, Obstetricia y Ginecología y Medicina Preventiva, Universitat Autonoma de Barcelona (UAB), Barcelona, Spain, Research Network Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL), Universidad Internacional del Ecuador, Quito, Ecuador, School of Medicine, Universidad Internacional del Ecuador, Quito, Ecuador

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• Irina Chis Ster,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliation Institute of Infection and Immunity, St George’s University of London, London, United Kingdom

  https://orcid.org/0000-0003-2637-1259

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• Philip Cooper,

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliations School of Medicine, Universidad Internacional del Ecuador, Quito, Ecuador, Institute of Infection and Immunity, St George’s University of London, London, United Kingdom

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• Natalia Romero-Sandoval,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

  Affiliations Research Network Grups de Recerca d’Amèrica i Àfrica Llatines (GRAAL), Universidad Internacional del Ecuador, Quito, Ecuador, School of Medicine, Universidad Internacional del Ecuador, Quito, Ecuador

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• on behalf of the Seroprevalence ECU-Group

  ¶Membership of the Seroprevalence ECU-Group is provided in the Acknowledgments.

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