CPHA Canvax

"During May–November 2021, case and hospitalization rates were highest among persons who were unvaccinated without a previous diagnosis. Before Delta became the predominant variant in June, case rates were higher among persons who survived a previous infection than persons who were vaccinated alone. By early October, persons who survived a previous infection had lower case rates than persons who were vaccinated alone." - COVID-19 Cases and Hospitalizations by COVID-19 Vaccination Status and Previous COVID-19 Diagnosis — California and New York, May–November 2021

Additional Authors:  Bryon Backenson, Mary T. Bassett, Hannah Henry, Brooke Bregman, Claire M. Midgley, Jennifer F. Myers, Ian D. Plumb, Heather E. Reese, Rui Zhao, Melissa Briggs-Hagen, Dina Hoefer, James P. Watt, Benjamin J. Silk, Seema Jain, Eli S. Rosenberg

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Category:

Vaccine Safety and Development,Research and Development,Vaccine Effectiveness and Efficacy,Monitoring and Surveillance,Outbreaks and Pandemics,COVID-19,Vaccine Preventable Disease Surveillance,National Surveillance Vaccine Safety and Development
Research and Development
Vaccine Effectiveness and Efficacy
Monitoring and Surveillance
Outbreaks and Pandemics
COVID-19
Vaccine Preventable Disease Surveillance
National Surveillance

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