Effectiveness of XBB.1.5 Monovalent COVID‐19 Vaccines During a Period of XBB.1.5 Dominance in EU/EEA Countries, October to November 2023: A VEBIS‐EHR Network Study

ABSTRACT Using a common protocol across seven countries in the European Union/European Economic Area, we estimated XBB.1.5 monovalent vaccine effectiveness (VE) against COVID‐19 hospitalisation and death in booster‐eligible ≥ 65‐year‐olds, during October–November 2023. We linked electronic records t...

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Veröffentlicht in:Influenza and other respiratory viruses 2024-04, Vol.18 (4), p.e13292-n/a
Hauptverfasser: Monge, Susana, Humphreys, James, Nicolay, Nathalie, Braeye, Toon, Van Evercooren, Izaak, Holm Hansen, Christian, Emborg, Hanne‐Dorthe, Sacco, Chiara, Mateo‐Urdiales, Alberto, Castilla, Jesús, Martínez‐Baz, Iván, Gier, Brechje, Hahné, Susan, Meijerink, Hinta, Kristoffersen, Anja Bråthen, Machado, Ausenda, Soares, Patricia, Nardone, Anthony, Bacci, Sabrina, Kissling, Esther, Nunes, Baltazar
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container_issue 4
container_start_page e13292
container_title Influenza and other respiratory viruses
container_volume 18
creator Monge, Susana
Humphreys, James
Nicolay, Nathalie
Braeye, Toon
Van Evercooren, Izaak
Holm Hansen, Christian
Emborg, Hanne‐Dorthe
Sacco, Chiara
Mateo‐Urdiales, Alberto
Castilla, Jesús
Martínez‐Baz, Iván
Gier, Brechje
Hahné, Susan
Meijerink, Hinta
Kristoffersen, Anja Bråthen
Machado, Ausenda
Soares, Patricia
Nardone, Anthony
Bacci, Sabrina
Kissling, Esther
Nunes, Baltazar
description ABSTRACT Using a common protocol across seven countries in the European Union/European Economic Area, we estimated XBB.1.5 monovalent vaccine effectiveness (VE) against COVID‐19 hospitalisation and death in booster‐eligible ≥ 65‐year‐olds, during October–November 2023. We linked electronic records to construct retrospective cohorts and used Cox models to estimate adjusted hazard ratios and derive VE. VE for COVID‐19 hospitalisation and death was, respectively, 67% (95%CI: 58–74) and 67% (95%CI: 42–81) in 65‐ to 79‐year‐olds and 66% (95%CI: 57–73) and 72% (95%CI: 51–85) in ≥ 80‐year‐olds. Results indicate that periodic vaccination of individuals ≥ 65 years has an ongoing benefit and support current vaccination strategies in the EU/EEA.
doi_str_mv 10.1111/irv.13292
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We linked electronic records to construct retrospective cohorts and used Cox models to estimate adjusted hazard ratios and derive VE. VE for COVID‐19 hospitalisation and death was, respectively, 67% (95%CI: 58–74) and 67% (95%CI: 42–81) in 65‐ to 79‐year‐olds and 66% (95%CI: 57–73) and 72% (95%CI: 51–85) in ≥ 80‐year‐olds. 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source MEDLINE; Wiley Online Library Open Access; DOAJ Directory of Open Access Journals; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Aged
Aged, 80 and over
cohort design
COVID-19
COVID-19 - epidemiology
COVID-19 - prevention & control
COVID-19 vaccines
COVID-19 Vaccines - administration & dosage
COVID-19 Vaccines - immunology
Effectiveness
Electronic Health Records
Estimates
Europe - epidemiology
European Union
Female
hospitalisation
Hospitalization
Hospitalization - statistics & numerical data
Humans
Infections
Male
Mortality
multicountry study
Older people
Patient admissions
Retrospective Studies
SARS-CoV-2 - immunology
SARS‐CoV‐2
Severe acute respiratory syndrome coronavirus 2
Short Communication
Short Communications
Vaccination - statistics & numerical data
vaccine effectiveness
Vaccine Efficacy
Vaccines
title Effectiveness of XBB.1.5 Monovalent COVID‐19 Vaccines During a Period of XBB.1.5 Dominance in EU/EEA Countries, October to November 2023: A VEBIS‐EHR Network Study
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