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Abstract

The COVID-19 pandemic negatively impacted the 2019/20 WHO European Region influenza surveillance. Compared with previous 4-year averages, antigenic and genetic characterisations decreased by 17% (3,140 vs 2,601) and 24% (4,474 vs 3,403). Of subtyped influenza A viruses, 56% (26,477/47,357) were A(H1)pdm09, 44% (20,880/47,357) A(H3). Of characterised B viruses, 98% (4,585/4,679) were B/Victoria. Considerable numbers of viruses antigenically differed from northern hemisphere vaccine components. In 2020/21, maintaining influenza virological surveillance, while supporting SARS-CoV-2 surveillance is crucial.

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/content/10.2807/1560-7917.ES.2020.25.46.2001822
2020-11-19
2024-12-22
/content/10.2807/1560-7917.ES.2020.25.46.2001822
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Virological surveillance of influenza viruses in the WHO European Region in 2019/20 – impact of the COVID-19 pandemic
<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=Dmitriy+Pereyaslov&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pereyaslov Dmitriy</a>, <a href="/search?value1=Olav+Hungnes&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Hungnes Olav</a>, <a href="/search?value1=Katarina+Prosenc&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Prosenc Katarina</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=James+Fielding&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Fielding James</a>, <a href="/search?value1=Miriam+Sneiderman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Sneiderman Miriam</a>, <a href="/search?value1=Oksana+Martinuka&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Martinuka Oksana</a>, <a href="/search?value1=Lucia+Pastore+Celentano&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Celentano Lucia Pastore</a>, <a href="/search?value1=Richard+Pebody&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pebody Richard</a>, <a href="/search?value1=WHO+European+Region+influenza+surveillance+network&option1=author&noRedirect=true" class="nonDisambigAuthorLink">WHO European Region influenza surveillance network</a></span>. Virological surveillance of influenza viruses in the WHO European Region in 2019/20 – impact of the COVID-19 pandemic. <a href="/content/ecdc">Euro Surveill.</a> 2020;25(46):pii=2001822. <a href="https://doi.org/10.2807/1560-7917.ES.2020.25.46.2001822" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2020.25.46.2001822</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 21 Oct 2020;&nbsp;&nbsp; <span class="generated">Accepted</span>: 19 Nov 2020 </span> </p>
/content/10.2807/1560-7917.ES.2020.25.46.2001822
/content/10.2807/1560-7917.ES.2020.25.46.2001822
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