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Abstract

In the WHO European Region, COVID-19 non-pharmaceutical interventions continued slowing influenza circulation in the 2021/22 season, with reduced characterisation data. A(H3) predominated and, in some countries, co-circulated with A(H1)pdm09 and B/Victoria viruses. No B/Yamagata virus detections were confirmed. Substantial proportions of characterised circulating virus subtypes or lineages differed antigenically from their respective northern hemisphere vaccine components. Appropriate levels of influenza virus characterisations should be maintained until the season end and in future seasons, when surveillance is adapted to integrate SARS-CoV-2.

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/content/10.2807/1560-7917.ES.2022.27.15.2200255
2022-04-14
2024-12-26
/content/10.2807/1560-7917.ES.2022.27.15.2200255
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Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Angeliki+Melidou&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Melidou Angeliki</a>, <a href="/search?value1=Csaba+K%C3%B6dm%C3%B6n&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ködmön Csaba</a>, <a href="/search?value1=Karen+Nahapetyan&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nahapetyan Karen</a>, <a href="/search?value1=Annette+Kraus&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kraus Annette</a>, <a href="/search?value1=Erik+Alm&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Alm Erik</a>, <a href="/search?value1=Cornelia+Adlhoch&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Adlhoch Cornelia</a>, <a href="/search?value1=Piers+Mooks&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mooks Piers</a>, <a href="/search?value1=Nishi+Dave&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dave Nishi</a>, <a href="/search?value1=Carlos+Carvalho&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Carvalho Carlos</a>, <a href="/search?value1=Margaux+MI+Mesl%C3%A9&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Meslé Margaux MI</a>, <a href="/search?value1=Rodney+Daniels&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Daniels Rodney</a>, <a href="/search?value1=Richard+Pebody&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pebody Richard</a>, <a href="/search?value1=Members+of+the+WHO+European+Region+influenza+surveillance+network&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Members of the WHO European Region influenza surveillance network</a></span>. Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22. <a href="/content/ecdc">Euro Surveill.</a> 2022;27(15):pii=2200255. <a href="https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200255" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200255</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 24 Mar 2022;&nbsp;&nbsp; <span class="generated">Accepted</span>: 12 Apr 2022 </span> </p>
/content/10.2807/1560-7917.ES.2022.27.15.2200255
/content/10.2807/1560-7917.ES.2022.27.15.2200255
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