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Sergio Loayza

Pan American Health Organization

Washington, DC

United States

  • Pan American Health Organization

SCHOLARLY PAPERS

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Scholarly Papers (1)

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Effectiveness of COVID-19 Vaccines Against Hospitalization in Latin America During Three Pandemic Waves, 2021-2022: A Test-Negative Case-Control Design

Number of pages: 44 Posted: 15 Jun 2023
Francisco Nogareda, Annette K. Regan, Paula Couto, Ashley L. Fowlkes, Radhika Gharpure, Sergio Loayza, Juliana Almeida Leite, Angel Rodriguez, Andrea Vicari, Eduardo Azziz-Baumgartner and Daniel Salas
Pan American Health Organization - Family, Health Promotion and Life Course (FPL), Pan American Health Organization, Pan American Health Organization, Government of the United States of America - National Center for Immunization and Respiratory Diseases, Government of the United States of America - National Center for Immunization and Respiratory Diseases, Pan American Health Organization, Pan American Health Organization, Pan American Health Organization, Pan American Health Organization, Government of the United States of America - Influenza Division and Pan American Health Organization - Family, Health Promotion and Life Course (FPL)
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Abstract:

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Adul­ts, Older adults, Hospitalizations, COVID-19 vaccine effectiveness, Latin America, Severe acute respiratory infections, Southern hemisphere, Test-negative case-control design