During October–November, unvaccinated persons had 13.9 and 53.2 times the risks for infection and COVID-19–associated death, respectively, compared with fully vaccinated persons who received booster doses, and 4.0 and 12.7 times the risks compared with fully vaccinated persons without booster doses. During 2021, averaged weekly, age-standardized case IRRs among unvaccinated persons compared with fully vaccinated persons decreased from 13.9 pre-Delta to 8.7 as Delta emerged, and to 5.1 during the period of Delta predominance.
#Average age of covid deaths in us full#
To assess the impact of full vaccination with additional and booster doses (booster doses), ¶ case and death rates and incidence rate ratios (IRRs) were estimated among unvaccinated and fully vaccinated adults by receipt of booster doses during pre-Delta (April–May 2021), Delta emergence (June 2021), Delta predominance (July–November 2021), and Omicron emergence (December 2021) periods in the United States. The SARS-CoV-2 B.1.1.529 (Omicron) variant emerged in the United States during December 2021 ( 6) and by December 25 accounted for 72% of sequenced lineages ( 7). During August–November 2021, CDC recommended § additional primary COVID-19 vaccine doses among immunocompromised persons and booster doses among persons aged ≥18 years ( 5). Previous reports of COVID-19 case, hospitalization, and death rates by vaccination status † indicate that vaccine protection against infection, as well as serious COVID-19 illness for some groups, declined with the emergence of the B.1.617.2 (Delta) variant of SARS-CoV-2, the virus that causes COVID-19, and waning of vaccine-induced immunity ( 1– 4). Scobie, PhD 1 ( View author affiliations) View suggested citation Tilakaratne, PhD 4 Kathryn Turner, PhD 23 Hailey Vest, MPH 28 Sydni Warner, MS 22 Caleb Wiedeman, MPH 25 Allison Zaldivar, MPH 27 Benjamin J. Steele, PhD 1 Meagan Stephenson, MPH 1 Allen Stout, MS 7 Kyle Strand 21 Buddhi P. Sosin, MD 13 Emma Stanislawski, MPH 13 Molly K. Casey Lyons, MPH 26 Shelby Lyons, MPH 18 Andrea May, MPH 27 Donald McCormick MSHI 9 Erica Mendoza, MAS 24 Lauren Milroy, MPH 28 Allison O’Donnell, MPH 10 Melissa Pike, MPH 11 Sargis Pogosjans, MPH 3 Amy Saupe, MPH 19 Jessica Sell, MPH 8 Elizabeth Smith, MPH 15 Daniel M. Fast, MPH 17 Ashley Gent, MPH 16 Julie Hand, MSPH 18 Dina Hoefer, PhD 14 Corinne Holtzman, MPH 19 Amanda Jara, DVM 15 Amanda Jones, MPH 20 Ishrat Kamal-Ahmed, PhD 21 Sarah Kangas, MPH 22 FNU Kanishka, MPH 21 Ramandeep Kaur, PhD 12 Saadiah Khan, MPH 6 Justice King, MSc 1 Samantha Kirkendall, MS 23 Anna Klioueva, MPH 24 Anna Kocharian, MS 22 Frances Y. Bayoumi, DrPH 6 Katherine Busen, MPH 7 Carolyn Chang, MPH 8 Mike Cima, PhD 9 Molly Crockett, MPH 10 Alicia Cronquist, MPH 11 Sherri Davidson, PhD 12 Elizabeth Davis, MA 13 Janelle Delgadillo 5 Vajeera Dorabawila, PhD 14 Cherie Drenzek, DVM 15 Leah Eisenstein, MPH 16 Hannah E. Awofeso, DVM 4 Jason Barnes, MBA 5 Nagla S. Cadwell, PhD 1 Shivani Arora, MPH 2 Tigran Avoundjian, PhD 3 Abiola O. The study from Sehgal’s team looked at counties, not individuals, which makes it difficult to determine whether other demographic factors - such as education level, proximity to health care services or the share of older residents - played a role in the trend.Amelia G. Role of vaccine hesitancyīoth papers come with limitations.
And you have less transmission in general by instituting protective policies like mask requirements when we had them, or capacity limits in businesses," he added. "When you have less transmission, you have fewer cases and you have less mortality.
"Vaccination does play a role in the difference that we’ve observed in excess mortality between red and blue places, but it is not the whole story," said Neil Jay Sehgal, an author of that study and an assistant professor of health policy and management at the University of Maryland School of Public Health. Those researchers suggested that compliance with other public health measures such as mask use and social distancing was a significant factor. "We really don’t see a big divide until after vaccines became widely available in our two states," Wallace said.īut the June study suggested that Covid vaccine uptake explained just 10% of the partisan gap in the deaths.
Excess death rates in Florida and Ohio were 153% higher among Republicans than Democrats during that time, the paper showed.
Indeed, his paper found that the partisan gap in the deaths widened from April to December 2021, after all adults became eligible for Covid vaccines.
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