Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22

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 wer...

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Detalles Bibliográficos
Autores principales: Melidou, Angeliki, Ködmön, Csaba, Nahapetyan, Karen, Kraus, Annette, Alm, Erik, Adlhoch, Cornelia, Mooks, Piers, Dave, Nishi, Carvalho, Carlos, Meslé, Margaux MI, Daniels, Rodney, Pebody, Richard, Tabain, Irena, Botnen, Amanda Bolt, Trebbien, Ramona, Ikonen, Niina, Lyytikäinen, Outi, Wedde, Marianne, Dürrwald, Ralf, Bennett, Charlene, Connell, Jeff, Puzelli, Simona, Facchini, Marzia, Meijer, Adam, Fouchier, Ron A.M., Vukovikj, Maja, Janchevska, Elizabeta, Bragstad, Karoline, Hungnes, Olav, Komissarov, Andrey, Stolyarov, Kirill, Pozo, Francisco, Casas, Inmaculada, Gonçalves, Ana Rita, Spedaliero, Tania, Moore, Catherine, Cottrell, Simon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: European Centre for Disease Prevention and Control (ECDC) 2022
Materias:
Rapid Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012087/
https://www.ncbi.nlm.nih.gov/pubmed/35426364
http://dx.doi.org/10.2807/1560-7917.ES.2022.27.15.2200255
Descripción
Sumario: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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