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

Institut Pasteur du Laos, Institut Pasteur du Laos, Institut Pasteur du Laos, Institut Pasteur du Laos, Lao Tropical Public Health Institute, Lao Tropical Public Health Institute, Mahosot Hospital - Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit, National Centre for Laboratory and Epidemiology, University of Paris-Saclay - Pathogen Discovery Laboratory, University of Paris-Saclay - Pathogen Discovery Laboratory, Institut Pasteur du Laos, Institut Pasteur du Laos, Institut Pasteur du Laos, Luxembourg Institute of Health (LIH), Institut Pasteur du Laos, Institut Pasteur du Laos, Institut Pasteur du Laos, Institut Pasteur du Laos and Institut Pasteur du Laos