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Abstract

During 2023/24, all children aged 6 to 59 months were targeted for seasonal influenza vaccination in Spain nationally. Using a test-negative case–control design with sentinel surveillance data, we estimated adjusted influenza vaccine effectiveness (IVE) against any influenza type to be 70% (95% confidence interval (CI): 51 to 81%) for primary care patients with acute respiratory illness (ARI) and 77% (95% CI: 21 to 93%) for hospitalised patients with severe ARI. In primary care, where most subtyped viruses (61%; 145/237) were A(H1N1), adjusted IVE was 77% (95% CI: 56 to 88%) against A(H1N1)pdm09.

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/content/10.2807/1560-7917.ES.2024.29.40.2400618
2024-10-03
2024-10-07
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2024.29.40.2400618
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Effectiveness of influenza vaccines in children aged 6 to 59 months: a test-negative case–control study at primary care and hospital level, Spain 2023/24
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Gloria+P%C3%A9rez-Gimeno&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pérez-Gimeno Gloria</a>, <a href="/search?value1=Clara+Mazagatos&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mazagatos Clara</a>, <a href="/search?value1=Nicola+Lorusso&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lorusso Nicola</a>, <a href="/search?value1=Luca+Basile&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Basile Luca</a>, <a href="/search?value1=Isabel+Mart%C3%ADnez-Pino&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Martínez-Pino Isabel</a>, <a href="/search?value1=Francisca+Corpas+Burgos&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Corpas Burgos Francisca</a>, <a href="/search?value1=Noa+Batalla+Rebolla&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Batalla Rebolla Noa</a>, <a href="/search?value1=Mercedes+B+Rumayor+Zarzuelo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Rumayor Zarzuelo Mercedes B</a>, <a href="/search?value1=Blanca+Andreu+Ivorra&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Andreu Ivorra Blanca</a>, <a href="/search?value1=Jaume+Gim%C3%A9nez+Duran&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Giménez Duran Jaume</a>, <a href="/search?value1=Daniel+Castrillejo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Castrillejo Daniel</a>, <a href="/search?value1=In%C3%A9s+Guiu+Ca%C3%B1ete&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Guiu Cañete Inés</a>, <a href="/search?value1=Marta+Huerta+Huerta&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Huerta Huerta Marta</a>, <a href="/search?value1=Marta+Garc%C3%ADa+Becerril&option1=author&noRedirect=true" class="nonDisambigAuthorLink">García Becerril Marta</a>, <a href="/search?value1=Violeta+Ramos+Mar%C3%ADn&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ramos Marín Violeta</a>, <a href="/search?value1=Inmaculada+Casas&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Casas Inmaculada</a>, <a href="/search?value1=Francisco+Pozo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pozo Francisco</a>, <a href="/search?value1=Susana+Monge&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Monge Susana</a>, <a href="/search?value1=the+SiVIRA+group&option1=author&noRedirect=true" class="nonDisambigAuthorLink">the SiVIRA group</a></span>. Effectiveness of influenza vaccines in children aged 6 to 59 months: a test-negative case–control study at primary care and hospital level, Spain 2023/24. <a href="/content/ecdc">Euro Surveill.</a> 2024;29(40):pii=2400618. <a href="https://doi.org/10.2807/1560-7917.ES.2024.29.40.2400618" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2024.29.40.2400618</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 19 Sept 2024;&nbsp;&nbsp; <span class="generated">Accepted</span>: 03 Oct 2024 </span> </p>
/content/10.2807/1560-7917.ES.2024.29.40.2400618
/content/10.2807/1560-7917.ES.2024.29.40.2400618
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