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00925njm 22002777a 4500 dc Rose, Angela Mc author Pozo Sanchez, Francisco author Martínez-Baz, Iván author Mazagatos, Clara author Bossuyt, Nathalie author Cauchi, John Paul author Petrović, Goranka author Loghin, Isabela I author Vaikutytė, Roberta author Buda, Silke author Machado, Ausenda author Duffy, Róisín author Oroszi, Beatrix author Howard, Jennifer author Echeverria, Aitziber author Andreu, Cristina author Barbezange, Cyril author Džiugytė, Aušra author Nonković, Diana author Popescu, Corneliu-Petru author Majauskaite, Fausta author Tolksdorf, Kristin author Gomez, Verónica author Domegan, Lisa author Horváth, Judit Krisztina author Castilla, Jesús author García, Miriam author Demuyser, Thomas author Borg, Maria-Louise author Tabain, Irena author Lazar, Mihaela author Kubiliute, Ieva author Dürrwald, Ralf author Guiomar, Raquel author O'Donnell, Joan author Kristóf, Katalin author Nicolay, Nathalie author Bacci, Sabrina author Kissling, Esther author EBIS SARI VE network team author 2024-02 We conducted a multicentre hospital-based test-negative case-control study to measure vaccine effectiveness (VE) against PCR-confirmed influenza in adult patients with severe acute respiratory infection (SARI) during the 2022/2023 influenza season in Europe. Among 5547 SARI patients ≥18 years, 2963 (53%) were vaccinated against influenza. Overall VE against influenza A(H1N1)pdm09 was 11% (95% CI: -23-36); 20% (95% CI: -4-39) against A(H3N2) and 56% (95% CI: 22-75) against B. During the 2022/2023 season, while VE against hospitalisation with influenza B was >55%, it was ≤20% for influenza A subtypes. While influenza vaccination should be a priority for future seasons, improved vaccines against influenza are needed. Influenza Other Respir Viruses. 2024 Feb;18(2):e13255. 10.1111/irv.13255 1750-2659 Influenza and other respiratory viruses 38403302 http://hdl.handle.net/20.500.12105/19060 Vaccine effectiveness against influenza hospitalisation in adults during the 2022/2023 mixed season of influenza A(H1N1)pdm09, A(H3N2) and B circulation, Europe: VEBIS SARI VE hospital network