Interim 2023/24 influenza A vaccine effectiveness: VEBIS European primary care and hospital multicentre studies, September 2023 to January 2024

Marine Maurel, Jennifer Howard, Esther Kissling, Francisco Pozo, Gloria Pérez-Gimeno, Silke Buda, Noémie Sève, Adele McKenna, Adam Meijer, Ana Paula Rodrigues, Iván Martínez-Baz, Ivan Mlinarić, Neus Latorre-Margalef, Gergő Túri, Mihaela Lazăr, Clara Mazagatos, Aitziber Echeverria, Stephen Abela, Marc Bourgeois, Ausenda MachadoRalf Dürrwald, Goranka Petrović, Beatrix Oroszi, Ligita Jancoriene, Alexandru Marin, Petr Husa, Roisin Duffy, Frederika Dijkstra, Virtudes Gallardo García, Luise Goerlitz, Vincent Enouf, Charlene Bennett, Mariëtte Hooiveld, Raquel Guiomar, Camino Trobajo-Sanmartín, Vesna Višekruna Vučina, Tove Samuelsson Hagey, Ana Sofía Lameiras Azevedo, Jesús Castilla, Gerd Xuereb, B. nédicte Delaere, Verónica Gómez, Kristin Tolksdorf, Sabrina Bacci, Nathalie Nicolay, Marlena Kaczmarek, Angela M. C. Rose, Arne Villain, Arne Witdouck, Benédicte Lissoir, Catherine Sion, Charlotte Martin, Claire Brugerolles, Cyril Barbezange, Door Jouck, Evelyn Petit, François Dufrasne, Hilde Jansens, Isabel Leroux-Roels, Isabelle Thomas, Koen Magerman, Laurane de Mot, Lucie Seyler, Marieke Bleyen, Marijke Reynders, Melanie Delvallee, Melissa Vermeulen, Nathalie Bossuyt, Nicolas Dauby, Pascal Dewaegemaeker, Pierre Struyven, Reinout Naesens, Sarah Denayer, Sebastien Fierens, Siel Daelemans, Sien de Koster, Silke Ternest, Svea Geeroms, Thomas Demuyser, Veerle Matheeussen, Xavier Holemans, Yinthe Dockx, Anna Parys, Zvjezdana Lovrić Makarić, Ivan Mlinarić, Irena Tabain, Iva Pem Novosel, Diana Nonković, Petra Tomaš Petrić, Ivana Bočina, Suzana Mladinov, Matea Nikolić, Ana Brnas, Joško Markić, Ivana Jukić, Ina Tomas, Marija Tonkić, Sanja Kurečić Filipović, Ivana Ferenčak, Bernard Kaić, Maja Ilić, Mirjana Lana, Danijela Lakošeljac, Ivana Mihin Huskić, Diana Nonković, Lenka Součková, Thierry Blanchon, Caroline Guerrisi, Titouan Launay, Aubane Renard, Marie Chazelle, Alessandra Falchi, Shirley Masse, Marie-Anne Rameix-Welti, Sylvie van der Werf, Ute Preuss, Barbara Biere, Djin-Ye Oh, Janine Reiche, Marianne Wedde, Krisztina Mucsányiné, Katalin Krisztalovics, Csaba Luca, B. nk Fenyves, Katalin Kristóf, Terra Fatukasi, Diane Bredin, Margaret Fitzgerald, Lisa Domegan, Joan O’Donnell, Michael Joyce, Olga Levis, Maria-Louise Borg, John-Paul Cauchi, Aušra Džiugytė, Tanya Melillo, Lynn Aarts, Mariam Bagheri, Danytza Berry, Sanne Bos, Sharon van den Brink, Dirk Eggink, Rianne van Gageldonk-Lafeber, Gabriel Goderski, Liz Jenniskens, Ruud van den Broek, Ruben van der Burgh, Cathrien Kager, Mayra Klinkhamer, Bart Knottnerus, Marloes Riethof, Nienke Veldhuijzen, Nuno Verdasca, Licínia Gomes, Camila Henriques, Daniela Dias, Aryse Melo, D. bora Pereira, Pais de Lacerda, Susana Maia Silva, Paula Pinto, Cristina Bárbara, Maria Elena Mihai, Alina Ivanciuc, Catalina Pascu, Iulia Bistriceanu, Sorin Dinu, Mihaela Oprea, Isabela Loghin, Mihaela Catalina, Luca Carmen Mihaela Dorobat, Corneliu-Petru Popescu, Gratiela Tardei, Alma-Gabriela Tudor Simin Aysel Florescu, Emanoil Ceausu, Odette Popovici, Olivia Timnea, Adrian Jidovu, Itziar Casado, Nerea Egüés, Manuel García Cenoz, Guillermo Ezpeleta, Annasara Carnahan

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Abstract

Influenza A viruses circulated in Europe from September 2023 to January 2024, with influenza A(H1N1)pdm09 predominance. We provide interim 2023/24 influenza vaccine effectiveness (IVE) estimates from two European studies, covering 10 countries across primary care (EU-PC) and hospital (EU-H) settings. Interim IVE was higher against A(H1N1)pdm09 than A(H3N2): EU-PC influenza A(H1N1)pdm09 IVE was 53% (95% CI: 41 to 63) and 30% (95% CI: -3 to 54) against influenza A(H3N2). For EU-H, these were 44% (95% CI: 30 to 55) and 14% (95% CI: -32 to 43), respectively.
Original languageEnglish
Article number2400089
JournalEurosurveillance
Volume29
Issue number8
DOIs
Publication statusPublished - 1 Feb 2024

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