University of Paris-Saclay - Institut Pasteur, University of Paris-Saclay - Emerging Diseases Epidemiology Unit, University of Paris-Saclay - Emerging Diseases Epidemiology Unit, University of Paris-Saclay - Emerging Diseases Epidemiology Unit, University of Paris-Saclay - Institut Pasteur, University of Paris-Saclay - Center for Translational Sciences, University of Paris-Saclay - Center for Translational Sciences, University of Paris-Saclay - ICAReB Biobanking Platform, University of Paris-Saclay - Direction de la recherche médicale, University of Paris-Saclay - Medical Center of the Pasteur Institute, University of Paris-Saclay - Pathogen Discovery Laboratory, University of Paris-Saclay - Pathogen Discovery Laboratory, University of Paris-Saclay - RNA Biology of Influenza Virus, University of Paris-Saclay - Molecular Genetics of RNA Viruses, Centre National de la Recherche Scientifique - UMR 3569, University of Paris-Saclay - Molecular Genetics of RNA Viruses, Centre National de la Recherche Scientifique - UMR 3569, Centre National de la Recherche Scientifique - UMR 3569, Institut Pasteur - Virus & Immunity Unit, Aix-Marseille University - Etablissement Français du Sang (EFS), Imperial College London - MRC Centre for Outbreak Analysis and Modelling, University of Paris-Saclay - Molecular Genetics of RNA Viruses, Institut Pasteur - Virus & Immunity Unit, University of Paris-Saclay - Pathogen Discovery Laboratory and University of Paris-Saclay - Emerging Diseases Epidemiology Unit

University of Nottingham - School of Medicine, University of Nottingham - Health Protection and Influenza Research Group, University of Nottingham - Health Protection and Influenza Research Group, University of Nottingham - Health Protection and Influenza Research Group, University of Maryland - School of Public Health, University of Maryland - School of Public Health, University of Maryland - School of Public Health, hVIVO, hVIVO, hVIVO, hVIVO, University of Leeds - School of Civil Engineering, Centers for Disease Control and Prevention - Division of Influenza, Centers for Disease Control and Prevention - Division of Influenza, Centers for Disease Control and Prevention - Division of Influenza, Imperial College London - MRC Centre for Outbreak Analysis and Modelling, Wake Forest University - School of Medicine, University of Calgary - Cumming School of Medicine, University of Maryland - School of Public Health and Independent