About the Authors

Carmen Hernandez-Cardenas

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft

Affiliation Instituto Nacional de Enfermedades Respiratorias, Mexico City, México

Ireri Thirion-Romero

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

Affiliation Instituto Nacional de Enfermedades Respiratorias, Mexico City, México

Sebastián Rodríguez-Llamazares

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Instituto Nacional de Enfermedades Respiratorias, Mexico City, México

Norma E. Rivera-Martinez

Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Supervision, Validation

Affiliation Hospital Regional de Alta Especialidad Oaxaca, Oaxaca, México

Patricia Meza-Meneses

Roles Data curation, Investigation, Methodology, Supervision, Validation, Writing – original draft

Affiliation Hospital Regional de Alta Especialidad Ixtapaluca, Estado de México, México

Arantxa Remigio-Luna

Roles Conceptualization, Data curation, Investigation, Supervision, Validation, Visualization

Affiliation Instituto Nacional de Enfermedades Respiratorias, Mexico City, México

Rogelio Perez-Padilla

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

perezpad@gmail.com

Affiliation Instituto Nacional de Enfermedades Respiratorias, Mexico City, México

on behalf of the Research Group on hydroxychloroquine for COVID-19

The complete membership of the author group can be found in the Acknowledments.

Competing Interests

CONACYT (National Council of Science and Technology of Mexico) and SANOFI participated. SANOFI provided the tested drug and identical placebo. Commercial funding does not alter our adherence to PLOS ONE editorial policies.