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Volume 28, Number 3—March 2022
Research

Effectiveness of 3 COVID-19 Vaccines in Preventing SARS-CoV-2 Infections, January–May 2021, Aragon, Spain

Alicia del Cura-BilbaoComments to Author , Héctor López-Mendoza, Armando Chaure-Pardos, Alberto Vergara-Ugarriza, and Joaquín Guimbao-Bescós
Author affiliations: Miguel Servet University Hospital, Zaragoza, Spain (A. del Cura-Bilbao); Aragon Department of Health, Zaragoza (A. del Cura-Bilbao, H. López-Mendoza, A. Chaure-Pardos, A. Vergara-Ugarriza, J. Guimbao-Bescós); University of Zaragoza CASSETEM Research Group, Zaragoza (H. López-Mendoza); Lozano Blesa University Hospital, Zaragoza (H. López-Mendoza, A. Chaure-Pardos); GRISSA Research Group, Zaragoza (A. Chaure-Pardos); Aragon Health Research Institute Foundation (IIS Aragon), Zaragoza (A. Chaure-Pardos)

Main Article

Figure 1

Flowchart of cohort evolution for study of coronavirus disease vaccines in preventing confirmed severe acute respiratory syndrome coronavirus 2 infection, Aragon, Spain, January–May 2021. *Participants vaccinated with the AZ vaccine had all received only 1 dose as of May 31, 2021.

Figure 1. Flowchart of cohort evolution for study of coronavirus disease vaccines in preventing confirmed severe acute respiratory syndrome coronavirus 2 infection, Aragon, Spain, January–May 2021. *Participants vaccinated with the AZ vaccine had all received only 1 dose as of May 31, 2021.

Main Article

Page created: December 14, 2021
Page updated: February 21, 2022
Page reviewed: February 21, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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