COVID-19 Incidence and Mortality Among Unvaccinated and Vaccinated Persons Aged ≥12 Years by Receipt of Bivalent Booster Doses and Time Since Vaccination — 24 U.S. Jurisdictions, October 3, 2021–December 24, 2022

On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and broaden protection against emerging variants for persons aged ≥12 years (subsequently extended to persons aged ≥6 months).* To assess the impac...

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Vydáno v:MMWR. Morbidity and mortality weekly report Ročník 72; číslo 6; s. 145 - 152
Hlavní autoři: Johnson, Amelia G., Linde, Lauren, Ali, Akilah R., DeSantis, Allison, Shi, Minchan, Adam, Carolyn, Armstrong, Brandy, Armstrong, Brett, Asbell, Madison, Auche, Steven, Bayoumi, Nagla S., Bingay, Boudu, Chasse, Melisse, Christofferson, Scott, Cima, Michael, Cueto, Kevin, Cunningham, Spencer, Delgadillo, Janelle, Dorabawila, Vajeera, Drenzek, Cherie, Dupervil, Brandi, Durant, Tonji, Fleischauer, Aaron, Hamilton, Ross, Harrington, Pauline, Hicks, Liam, Hodis, Jeffrey D., Hoefer, Dina, Horrocks, Sam, Hoskins, Mikhail, Husain, Sofia, Ingram, L. Amanda, Jara, Amanda, Jones, Amanda, Kanishka, F. N. U., Kaur, Ramandeep, Khan, Saadiah I., Kirkendall, Samantha, Lauro, Priscilla, Lyons, Shelby, Mansfield, Joshua, Markelz, Amanda, Masarik, John, McCormick, Donald, Mendoza, Erica, Morris, Keeley J., Omoike, Enaholo, Patel, Komal, Pike, Melissa A., Pilishvili, Tamara, Praetorius, Kevin, Reed, Isaiah G., Severson, Rachel L., Sigalo, Nekabari, Stanislawski, Emma, Stich, Sarah, Tilakaratne, Buddhi P., Turner, Kathryn A., Wiedeman, Caleb, Zaldivar, Allison, Silk, Benjamin J., Scobie, Heather M.
Médium: Journal Article Newsletter
Jazyk:angličtina
Vydáno: United States U.S. Government Printing Office 10.02.2023
U.S. Center for Disease Control
Centers for Disease Control and Prevention
Témata:
ISSN:0149-2195, 1545-861X, 1545-861X
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Abstract On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and broaden protection against emerging variants for persons aged ≥12 years (subsequently extended to persons aged ≥6 months).* To assess the impact of original (monovalent) COVID-19 vaccines and bivalent boosters, case and mortality rate ratios (RRs) were estimated comparing unvaccinated and vaccinated persons aged ≥12 years by overall receipt of and by time since booster vaccination (monovalent or bivalent) during Delta variant and Omicron sublineage (BA.1, BA.2, early BA.4/BA.5, and late BA.4/BA.5) predominance. During the late BA.4/BA.5 period, unvaccinated persons had higher COVID-19 mortality and infection rates than persons receiving bivalent doses (mortality RR = 14.1 and infection RR = 2.8) and to a lesser extent persons vaccinated with only monovalent doses (mortality RR = 5.4 and infection RR = 2.5). Among older adults, mortality rates among unvaccinated persons were significantly higher than among those who had received a bivalent booster (65-79 years; RR = 23.7 and ≥80 years; 10.3) or a monovalent booster (65-79 years; 8.3 and ≥80 years; 4.2). In a second analysis stratified by time since booster vaccination, there was a progressive decline from the Delta period (RR = 50.7) to the early BA.4/BA.5 period (7.4) in relative COVID-19 mortality rates among unvaccinated persons compared with persons receiving who had received a monovalent booster within 2 weeks-2 months. During the early BA.4/BA.5 period, declines in relative mortality rates were observed at 6-8 (RR = 4.6), 9-11 (4.5), and ≥12 (2.5) months after receiving a monovalent booster. In contrast, bivalent boosters received during the preceding 2 weeks-2 months improved protection against death (RR = 15.2) during the late BA.4/BA.5 period. In both analyses, when compared with unvaccinated persons, persons who had received bivalent boosters were provided additional protection against death over monovalent doses or monovalent boosters. Restored protection was highest in older adults. All persons should stay up to date with COVID-19 vaccination, including receipt of a bivalent booster by eligible persons, to reduce the risk for severe COVID-19.
AbstractList On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and broaden protection against emerging variants for persons aged ≥12 years (subsequently extended to persons aged ≥6 months).* To assess the impact of original (monovalent) COVID-19 vaccines and bivalent boosters, case and mortality rate ratios (RRs) were estimated comparing unvaccinated and vaccinated persons aged ≥12 years by overall receipt of and by time since booster vaccination (monovalent or bivalent) during Delta variant and Omicron sublineage (BA.1, BA.2, early BA.4/BA.5, and late BA.4/BA.5) predominance. During the late BA.4/BA.5 period, unvaccinated persons had higher COVID-19 mortality and infection rates than persons receiving bivalent doses (mortality RR = 14.1 and infection RR = 2.8) and to a lesser extent persons vaccinated with only monovalent doses (mortality RR = 5.4 and infection RR = 2.5). Among older adults, mortality rates among unvaccinated persons were significantly higher than among those who had received a bivalent booster (65-79 years; RR = 23.7 and ≥80 years; 10.3) or a monovalent booster (65-79 years; 8.3 and ≥80 years; 4.2). In a second analysis stratified by time since booster vaccination, there was a progressive decline from the Delta period (RR = 50.7) to the early BA.4/BA.5 period (7.4) in relative COVID-19 mortality rates among unvaccinated persons compared with persons receiving who had received a monovalent booster within 2 weeks-2 months. During the early BA.4/BA.5 period, declines in relative mortality rates were observed at 6-8 (RR = 4.6), 9-11 (4.5), and ≥12 (2.5) months after receiving a monovalent booster. In contrast, bivalent boosters received during the preceding 2 weeks-2 months improved protection against death (RR = 15.2) during the late BA.4/BA.5 period. In both analyses, when compared with unvaccinated persons, persons who had received bivalent boosters were provided additional protection against death over monovalent doses or monovalent boosters. Restored protection was highest in older adults. All persons should stay up to date with COVID-19 vaccination, including receipt of a bivalent booster by eligible persons, to reduce the risk for severe COVID-19.
On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and broaden protection against emerging variants for persons aged ≥12 years (subsequently extended to persons aged ≥6 months).* To assess the impact of original (monovalent) COVID-19 vaccines and bivalent boosters, case and mortality rate ratios (RRs) were estimated comparing unvaccinated and vaccinated persons aged ≥12 years by overall receipt of and by time since booster vaccination (monovalent or bivalent) during Delta variant and Omicron sublineage (BA.1, BA.2, early BA.4/BA.5, and late BA.4/BA.5) predominance.† During the late BA.4/BA.5 period, unvaccinated persons had higher COVID-19 mortality and infection rates than persons receiving bivalent doses (mortality RR = 14.1 and infection RR = 2.8) and to a lesser extent persons vaccinated with only monovalent doses (mortality RR = 5.4 and infection RR = 2.5). Among older adults, mortality rates among unvaccinated persons were significantly higher than among those who had received a bivalent booster (65-79 years; RR = 23.7 and ≥80 years; 10.3) or a monovalent booster (65-79 years; 8.3 and ≥80 years; 4.2). In a second analysis stratified by time since booster vaccination, there was a progressive decline from the Delta period (RR = 50.7) to the early BA.4/BA.5 period (7.4) in relative COVID-19 mortality rates among unvaccinated persons compared with persons receiving who had received a monovalent booster within 2 weeks-2 months. During the early BA.4/BA.5 period, declines in relative mortality rates were observed at 6-8 (RR = 4.6), 9-11 (4.5), and ≥12 (2.5) months after receiving a monovalent booster. In contrast, bivalent boosters received during the preceding 2 weeks-2 months improved protection against death (RR = 15.2) during the late BA.4/BA.5 period. In both analyses, when compared with unvaccinated persons, persons who had received bivalent boosters were provided additional protection against death over monovalent doses or monovalent boosters. Restored protection was highest in older adults. All persons should stay up to date with COVID-19 vaccination, including receipt of a bivalent booster by eligible persons, to reduce the risk for severe COVID-19.On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and broaden protection against emerging variants for persons aged ≥12 years (subsequently extended to persons aged ≥6 months).* To assess the impact of original (monovalent) COVID-19 vaccines and bivalent boosters, case and mortality rate ratios (RRs) were estimated comparing unvaccinated and vaccinated persons aged ≥12 years by overall receipt of and by time since booster vaccination (monovalent or bivalent) during Delta variant and Omicron sublineage (BA.1, BA.2, early BA.4/BA.5, and late BA.4/BA.5) predominance.† During the late BA.4/BA.5 period, unvaccinated persons had higher COVID-19 mortality and infection rates than persons receiving bivalent doses (mortality RR = 14.1 and infection RR = 2.8) and to a lesser extent persons vaccinated with only monovalent doses (mortality RR = 5.4 and infection RR = 2.5). Among older adults, mortality rates among unvaccinated persons were significantly higher than among those who had received a bivalent booster (65-79 years; RR = 23.7 and ≥80 years; 10.3) or a monovalent booster (65-79 years; 8.3 and ≥80 years; 4.2). In a second analysis stratified by time since booster vaccination, there was a progressive decline from the Delta period (RR = 50.7) to the early BA.4/BA.5 period (7.4) in relative COVID-19 mortality rates among unvaccinated persons compared with persons receiving who had received a monovalent booster within 2 weeks-2 months. During the early BA.4/BA.5 period, declines in relative mortality rates were observed at 6-8 (RR = 4.6), 9-11 (4.5), and ≥12 (2.5) months after receiving a monovalent booster. In contrast, bivalent boosters received during the preceding 2 weeks-2 months improved protection against death (RR = 15.2) during the late BA.4/BA.5 period. In both analyses, when compared with unvaccinated persons, persons who had received bivalent boosters were provided additional protection against death over monovalent doses or monovalent boosters. Restored protection was highest in older adults. All persons should stay up to date with COVID-19 vaccination, including receipt of a bivalent booster by eligible persons, to reduce the risk for severe COVID-19.
What is already known about this topic? COVID-19 vaccine effectiveness decreased with waning of vaccine-derived immunity and emerging Omicron sublineages. An updated (bivalent) booster dose enhances protection against infection and medically attended illness, but protection against death has not been evaluated. What is added by this report? Bivalent booster recipients in 24 U.S. jurisdictions had slightly higher protection against infection and significantly higher protection against death than was observed for monovalent booster recipients or unvaccinated persons, especially among older adults. What are the implications for public health practice? Bivalent COVID-19 booster doses protected against infection and death during BA.4/BA.5 circulation. All eligible persons should get 1 bivalent booster dose ≥2 months after their COVID-19 primary series or last monovalent booster dose.
Audience Professional
Author Durant, Tonji
Khan, Saadiah I.
Scobie, Heather M.
Chasse, Melisse
Omoike, Enaholo
Cunningham, Spencer
DeSantis, Allison
Husain, Sofia
Hodis, Jeffrey D.
Kirkendall, Samantha
Johnson, Amelia G.
Lyons, Shelby
Ali, Akilah R.
Pilishvili, Tamara
Praetorius, Kevin
Masarik, John
Hicks, Liam
Sigalo, Nekabari
Auche, Steven
Harrington, Pauline
Hoskins, Mikhail
Linde, Lauren
Delgadillo, Janelle
Hoefer, Dina
Ingram, L. Amanda
Turner, Kathryn A.
Armstrong, Brett
Kanishka, F. N. U.
Drenzek, Cherie
Jones, Amanda
Christofferson, Scott
Lauro, Priscilla
Reed, Isaiah G.
Patel, Komal
Jara, Amanda
Mansfield, Joshua
McCormick, Donald
Morris, Keeley J.
Shi, Minchan
Hamilton, Ross
Armstrong, Brandy
Tilakaratne, Buddhi P.
Markelz, Amanda
Stich, Sarah
Zaldivar, Allison
Adam, Carolyn
Kaur, Ramandeep
Silk, Benjamin J.
Horrocks, Sam
Wiedeman, Caleb
Bayoumi, Nagla S.
Cima, Michael
Dorabawila, Vajeera
Severson, Rachel L.
Dupervil, Brandi
Fleischauer, Aaron
Pike, Melissa A.
Stanislawski, Emma
Mendoza, Erica
Bingay, Boudu
Asbell, Madison
Cueto, Kevin
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BackLink https://www.ncbi.nlm.nih.gov/pubmed/36757865$$D View this record in MEDLINE/PubMed
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ContentType Journal Article
Newsletter
Copyright COPYRIGHT 2023 U.S. Government Printing Office
Published 2023. This article is a U.S. Government work and is in the public domain in the USA.
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– notice: Published 2023. This article is a U.S. Government work and is in the public domain in the USA.
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Paz-Bailey (key-10.15585/mmwr.mm7206a3-202302090653-R4) 2021
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Surie (key-10.15585/mmwr.mm7206a3-202302090653-R6) 2022; 71
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Johnson (key-10.15585/mmwr.mm7206a3-202302090653-R3) 2022; 71
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Scobie (key-10.15585/mmwr.mm7206a3-202302090653-R2) 2021; 70
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Snippet On September 1, 2022, CDC recommended an updated (bivalent) COVID-19 vaccine booster to help restore waning protection conferred by previous vaccination and...
What is already known about this topic? COVID-19 vaccine effectiveness decreased with waning of vaccine-derived immunity and emerging Omicron sublineages. An...
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SubjectTerms Adults
Age groups
Aged
Coronaviruses
COVID-19
COVID-19 - epidemiology
COVID-19 - prevention & control
COVID-19 Vaccines
Death
Death & dying
Dosage
Full Report
Health aspects
Humans
Immunity
Immunization
Incidence
Infections
Jurisdiction
Mortality
Older people
Protection
Public health
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Vaccination
Vaccine efficacy
Vaccines
Viral diseases
Title COVID-19 Incidence and Mortality Among Unvaccinated and Vaccinated Persons Aged ≥12 Years by Receipt of Bivalent Booster Doses and Time Since Vaccination — 24 U.S. Jurisdictions, October 3, 2021–December 24, 2022
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