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Abstract

In Denmark, both influenza A(H1N1)pdm09 and influenza B co-circulated in the 2015/16 season. We estimated the vaccine effectiveness (VE) of the trivalent influenza vaccine in patients 65 years and older using the test-negative case–control design. The adjusted VE against influenza A(H1N1)pdm09 was 35.0% (95% confidence interval (CI): 11.1–52.4) and against influenza B 4.1% (95% CI: −22.0 to 24.7). The majority of influenza A(H1N1)pdm09 circulating in 2015/16 belonged to the new genetic subgroup subclade 6B.1.

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/content/10.2807/1560-7917.ES.2016.21.14.30189
2016-04-07
2024-04-18
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2016.21.14.30189
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Influenza vaccine effectiveness in adults 65 years and older, Denmark, 2015/16 – a rapid epidemiological and virological assessment
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Hanne+Dorthe+Emborg&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Emborg Hanne Dorthe</a>, <a href="/search?value1=Tyra+Grove+Krause&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Krause Tyra Grove</a>, <a href="/search?value1=Lene+Nielsen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nielsen Lene</a>, <a href="/search?value1=Marianne+Kragh+Thomsen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Thomsen Marianne Kragh</a>, <a href="/search?value1=Claus+Bohn+Christiansen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Christiansen Claus Bohn</a>, <a href="/search?value1=Marianne+Nielsine+Skov&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Skov Marianne Nielsine</a>, <a href="/search?value1=Xiaohui+Chen+Nielsen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nielsen Xiaohui Chen</a>, <a href="/search?value1=Lenette+Sandborg+Weinreich&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Weinreich Lenette Sandborg</a>, <a href="/search?value1=Thea+K%C3%B8lsen+Fischer&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Fischer Thea Kølsen</a>, <a href="/search?value1=Jesper+R%C3%B8nn&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Rønn Jesper</a>, <a href="/search?value1=Ramona+Trebbien&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Trebbien Ramona</a></span>. Influenza vaccine effectiveness in adults 65 years and older, Denmark, 2015/16 – a rapid epidemiological and virological assessment. <a href="/content/ecdc">Euro Surveill.</a> 2016;21(14):pii=30189. <a href="https://doi.org/10.2807/1560-7917.ES.2016.21.14.30189" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2016.21.14.30189</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 16 Mar 2016;&nbsp;&nbsp; <span class="generated">Accepted</span>: 07 Apr 2016 </span> </p>
/content/10.2807/1560-7917.ES.2016.21.14.30189
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