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COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021
Organization: United States Centers for Disease Control (CDC)Published: 2022
"In 25 U.S. jurisdictions, decreases in case incidence rate ratios for unvaccinated versus fully vaccinated persons with and without booster vaccine doses were observed when the Omicron variant emerged in December 2021. Protection against infection and death during the Delta-predominant period and against infection during Omicron emergence were higher among booster vaccine dose recipients, especially among persons aged 50–64 and ≥65 years.
COVID-19 vaccination protected against SARS-CoV-2 infection, even as the Omicron variant became predominant. All eligible persons should stay up to date with COVID-19 vaccination." - COVID-19 Incidence and Death Rates Among Unvaccinated and Fully Vaccinated Adults with and Without Booster Doses During Periods of Delta and Omicron Variant Emergence — 25 U.S. Jurisdictions, April 4–December 25, 2021
Additional Authors: Shivani Arora, Tigran Avoundjian, Abiola O. Awofeso, Jason Barnes, Nagla S. Bayoumi, Katherine Busen, Carolyn Chang, Mike Cima, Molly Crockett, Alicia Cronquist, Sherri Davidson, Elizabeth Davis, Janelle Delgadillo, Vajeera Dorabawila, Cherie Drenzek, Leah Eisenstein, Hannah E. Fast, Ashley Gent, Julie Hand, Dina Hoefer, Corinne Holtzman, Amanda Jara, Amanda Jones, Ishrat Kamal-Ahmed, Sarah Kangas, FNU Kanishka, Ramandeep Kaur, Saadiah Khan, Justice King, Samantha Kirkendall, Anna Klioueva, Anna Kocharian, Frances Y. Kwon, Jacqueline Logan, B. Casey Lyons, Shelby Lyons, Andrea May, Donald McCormick, Erica Mendoza, Lauren Milroy, Allison O’Donnell, Melissa Pike, Sargis Pogosjans, Amy Saupe, Jessica Sell, Elizabeth Smith, Daniel M. Sosin, Emma Stanislawski, Molly K. Steele, Meagan Stephenson, Allen Stout, Kyle Strand, Buddhi P. Tilakaratne, Kathryn Turner, Hailey Vest, Sydni Warner, Caleb Wiedeman, Allison Zaldivar, Benjamin J. Silk, Heather M. Scobie
Product Type: Report
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 DevelopmentResearch and Development
Vaccine Effectiveness and Efficacy
Monitoring and Surveillance
Outbreaks and Pandemics
COVID-19
Vaccine Preventable Disease Surveillance
National Surveillance
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