National Institute for Public Health and the Environment (RIVM) - Department for Immunology of Infectious Diseases and Vaccination (IIV), National Institute for Public Health and the Environment (RIVM) - Department of Immune Surveillance, National Institute for Public Health and the Environment (RIVM), National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), National Institute for Public Health and the Environment (RIVM), National Institute for Public Health and the Environment (RIVM) - WHO Reference Laboratory for COVID-19, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM) and National Institute for Public Health and the Environment (RIVM)

National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, University of Oxford - Oxford Vaccine Group, University of Turku - Institute of Biomedicine, Microbiology, Virology and Immunology, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, Spaarne Gasthuis Academy, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Turku - Institute of Biomedicine, Microbiology, Virology and Immunology, University of Turku - Institute of Biomedicine, Microbiology, Virology and Immunology, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, University of Oxford - Department of Paediatrics, University of Turku - Institute of Biomedicine, Microbiology, Virology and Immunology and National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control

University of Amsterdam - Amsterdam Institute for Infection and Immunity, National Institute for Public Health and the Environment (RIVM), University of Amsterdam - Tytgat Institute for Liver and Intestinal Research, University of Amsterdam - Department of Medical Microbiology and Infection Prevention, National Institute for Public Health and the Environment (RIVM) - Centre for Infectious Disease Control, University of Amsterdam - Cancer Center Amsterdam, Department of Medical Oncology, Lambaréné Medical Research Center (CERMEL), LambarénéUniversity of Amsterdam - Amsterdam Institute for Infection and Immunity and Amsterdam UMC, University of Amsterdam, Centre of Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Amsterdam institute for Infection and Immunity