Virological surveillance of influenza viruses in the WHO European Region in 2019/20 - impact of the COVID-19 pandemic.
journal contribution
posted on 21.04.2021, 08:54 by Angeliki Melidou, Dmitriy Pereyaslov, Olav Hungnes, Katarina Prosenc, Erik Alm, Cornelia Adlhoch, James Fielding, Miriam Sneiderman, Oksana Martinuka, Lucia Pastore Celentano, Richard Pebody, WHO European Region influenza surveillance networkThe 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.
Funding
Crick (Grant ID: 10030, Grant title: McCauley FC001030)
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Keywords
Antigens, ViralBetacoronavirusCoronavirus InfectionsCOVID-19Disease NotificationEpidemiological MonitoringHumansInfluenza A virusInfluenza A Virus, H1N1 SubtypeInfluenza A Virus, H3N2 SubtypeInfluenza B virusInfluenza, HumanPandemicsPneumonia, ViralPopulation SurveillanceRNA, ViralSARS-CoV-2Sequence Analysis, DNAEuropeinfluenza viruspandemicsurveillancevirus characterizationWHO European Region influenza surveillance networkWHO European Region Influenza Surveillance Network author listMcCauley FC001030WIC0605 Microbiology1117 Public Health and Health Services1199 Other Medical and Health Sciences
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