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Publication
Effectiveness of the adapted bivalent mRNA COVID-19 vaccines against hospitalisation in individuals aged ≥ 60 years during the Omicron XBB lineage-predominant period: VEBIS SARI VE network, Europe, February to August, 2023
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Advisor(s)
Abstract(s)
The European Medicines Agency (EMA) authorised four adapted bivalent mRNA COVID-19 vaccines for use against COVID-19 in September/October 2022: Comirnaty (BNT162b2; Pfizer-BioNTech) and Spikevax (mRNA-1273; Moderna) Original/Omicron BA.1 and Original/Omicron BA.4–5 [1]. During autumn 2022, all European Union/European Economic Area (EU/EEA) countries had vaccination campaigns in place to administer a booster dose, with several countries using the adapted bivalent vaccines [2]. The Omicron-descendent XBB lineage and XBB.1.5 sub-lineage became variants of interest in March 2023 [3]. We estimated the effectiveness of the COVID-19 bivalent vaccines against hospitalisation with PCR-confirmed SARS-CoV-2 infection among patients aged ≥ 60 years with severe acute respiratory infection (SARI) during the XBB lineage-predominant period.
Description
Members of the European Hospital Vaccine Effectiveness Group: Portugal: Ana Paula Rodrigues, Débora Pereira, Susana Costa Maia e Silva, Paula Pinto, Cristina Bárbara, António Pais de Lacerda, Raquel Guiomar and Camila Henriques.
Keywords
COVID-19 COVID-19 Bivalent Vaccines Hospitalisation SARI XBB VEBIS-LOT 1 SARS-CoV-2 Vaccine Effectiveness Europe Vacina Efetividade Observação e vigilância Infecções Respiratórias Cuidados de Saúde
Pedagogical Context
Citation
Euro Surveill. 2024 Jan;29(3):2300708. doi: 10.2807/1560-7917.ES.2024.29.3.2300708
Publisher
European Centre for Disease Prevention and Control