End of season 2022/2023 quadrivalent influenza vaccine effectiveness in preventing influenza in primary care in Portugal

End of season 2022/2023 quadrivalent influenza vaccine effectiveness in preventing influenza in primary care in Portugal

Using a test-negative case–control design, we aim to estimate influenza vaccine effectiveness (VE) against medically attended laboratory-confirmed influenza in Portugal in 2022/2023 season. Between week 41/2022 and week 14/2023, data on 592 patients with influenza-like illness aged 18 or more years...

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Bibliographic Details
Main Authors: Irina Kislaya, Ana Rita Torres, Licínia Gomes, Aryse Melo, Ausenda Machado, Camila Henriques, Nuno Verdasca, Raquel Guiomar, Ana Paula Rodrigues, National Influenza Surveillance Network
Format: Article
Language:English
Published: Taylor & Francis Group 2023-12-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Vaccine effectiveness
influenza
primary care
Portugal
A(H3N2)
Online Access:https://www.tandfonline.com/doi/10.1080/21645515.2023.2263219
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