Predominance of influenza A(H1N1)pdm09 virus genetic subclade 6B.1 and influenza B/Victoria lineage viruses at the start of the 2015/16 influenza season in Europe Broberg, Eeva and Melidou, Angeliki and Prosenc, Katarina and Bragstad, Karoline and Hungnes, Olav and on behalf of the WHO European Region and the European Influenza Surveillance Network members of the reporting countries, Eurosurveillance, 21, 30184 (2016), https://doi.org/10.2807/1560-7917.ES.2016.21.13.30184