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Co-circulation of influenza A(H1N1)pdm09 and influenza A(H3N2) viruses, World Health Organization (WHO) European Region, October 2018 to February 2019
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View Affiliations Hide AffiliationsSonja J. OlsenOlsenS who.int
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WHO European Region and European Influenza Surveillance Network: Iris Hasibra (Hatibi), Artan Simaku, Liana Torosyan, Shushan Sargsyan, Monika Redlberger-Fritz, Therese Popow-Kraupp, Oleg Salimov, Nazakat Abdullayeva, Natallia Shmialiova, Natalia Gribkova, Nathalie Bossuyt, Isabell Thomas, Nina Rodic Vukmir, Diana Bastinac, Neli Korsun, Anna Kurchatova, Goranka Petrović, Vladimir Draženović, Maria Koliou, Despo Pieridou, Martina Havlíčková, Jan Kynčl, Ramona Trebbien, Tyra Grove Krause, Sibylle Bernard-Stoecklin, Sylvie van der Werf, Niina Ikonen, Outi Lyytikäinen, Ann Machablishvili, Khatuna Zakhashvili, Silke Buda, Ralf Dürrwald, Athanasios Kossyvakis, Maria Exindari, Zsuzsanna Molnár, Mónika Rózsa, Linda Dunford Niamh Murphy, Aharona Glatman-Freedman, Michal Mandelboim, Antonino Bella, Maria Rita Castrucci, Sultanov Meirim, Nussupbayeva Gaukhar, Otorbaeva Dinagul, Saparova Gulbarchyn, Natalija Zamjatina, Raina Nikiforova, Asta Skrickienė, Algirdas Griškevičius, Guillaume Fournier, Joel Mossong, Graziella Zahra, Jackie Maistre Melillo, Božidarka Rakočević, Zoran Vratnica, Ron Fouchier, Adam Meijer, Olav Hugnes, Karoline Bragstad, Lidia B Brydak, Katarzyna Luniewska, Raquel Guiomar, Ana Paula Rodrigues, Stefan Gheorghita, Alina Druc, Rodica Popescu, Odette Popovici, Anna Sominina, Elena Burtseva, Dragana Dimitrijevic, Svetlana Filipović-Vignjević, Katarina Prosenc, Maja Sočan, Amparo Larrauri, Francisco Pozo, Mia Brytting, AnnaSara Carnahan, Ana Rita Gonçalves, Damir Perisa, Tamanno Safarova, Niginamo Zakirova, Bosevska Golubinka, Kuzmanovska Maja, Emine Avci, Ayse Basak Altas, Gurbangul Ovliyakulova, Ashirova Amansoltan, Iryna Demchishina, Oksana Artemchuk, Jim McMenamin, Maria Zambon, Sultana Djemileva, Ravshan Rakhimov, John McCauley, Rod Daniels, Tamara MeerhoffView Citation Hide Citation
Citation style for this article: . Co-circulation of influenza A(H1N1)pdm09 and influenza A(H3N2) viruses, World Health Organization (WHO) European Region, October 2018 to February 2019. Euro Surveill. 2019;24(9):pii=1900125. https://doi.org/10.2807/1560-7917.ES.2019.24.9.1900125 Received: 17 Feb 2019; Accepted: 26 Feb 2019
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Abstract
In the World Health Organization European Region, the 2018/19 influenza season started in week 49 2018, crossing 10% virus-positivity in sentinel surveillance specimens. At week 5 2019, activity remained elevated with positivity rates at 55%. Both A(H1N1)pdm09 and A(H3N2) viruses circulated widely and detection levels in primary care and hospital settings were similar to past seasons. Hospitalisation data may suggest an increased susceptibility to A(H1N1)pdm09 virus in older age groups.
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