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Abstract

The 2017/18 interim estimate of trivalent influenza vaccine effectiveness (VE) was 39% (95% confidence interval: 20–54) in Navarre. Compared with individuals unvaccinated in the current and five previous seasons, VE against influenza B was 41% for current and any prior doses, 67% for current vaccination only, and 22% for any prior doses, and 43%, 51% and 54%, respectively against influenza A(H3N2). This suggests moderate VE despite predominance of lineage mismatched influenza B.

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/content/10.2807/1560-7917.ES.2018.23.7.18-00057
2018-02-15
2025-02-23
/content/10.2807/1560-7917.ES.2018.23.7.18-00057
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Interim effectiveness of trivalent influenza vaccine in a season dominated by lineage mismatched influenza B, northern Spain, 2017/18
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Jes%C3%BAs+Castilla&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Castilla Jesús</a>, <a href="/search?value1=Ana+Navascu%C3%A9s&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Navascués Ana</a>, <a href="/search?value1=Itziar+Casado&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Casado Itziar</a>, <a href="/search?value1=Alejandra+P%C3%A9rez-Garc%C3%ADa&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pérez-García Alejandra</a>, <a href="/search?value1=Aitziber+Aguinaga&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Aguinaga Aitziber</a>, <a href="/search?value1=Guillermo+Ezpeleta&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ezpeleta Guillermo</a>, <a href="/search?value1=Francisco+Pozo&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pozo Francisco</a>, <a href="/search?value1=Carmen+Ezpeleta&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ezpeleta Carmen</a>, <a href="/search?value1=Iv%C3%A1n+Mart%C3%ADnez-Baz&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Martínez-Baz Iván</a>, <a href="/search?value1=Primary+Health+Care+Sentinel+Network&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Primary Health Care Sentinel Network</a>, <a href="/search?value1=Network+for+Influenza+Surveillance+in+Hospitals+of+Navarre&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Network for Influenza Surveillance in Hospitals of Navarre</a></span>. Interim effectiveness of trivalent influenza vaccine in a season dominated by lineage mismatched influenza B, northern Spain, 2017/18. <a href="/content/ecdc">Euro Surveill.</a> 2018;23(7):pii=18-00057. <a href="https://doi.org/10.2807/1560-7917.ES.2018.23.7.18-00057" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2018.23.7.18-00057</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 05 Feb 2018;&nbsp;&nbsp; <span class="generated">Accepted</span>: 15 Feb 2018 </span> </p>
/content/10.2807/1560-7917.ES.2018.23.7.18-00057
/content/10.2807/1560-7917.ES.2018.23.7.18-00057
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