University of Cambridge - MRC Biostatistics Unit, Imperial College London - MRC Centre for Global Infectious Disease Analysis, UK Health Security Agency - COVID-19 National Epidemiology Cell, UK Health Security Agency - COVID-19 National Epidemiology Cell, University of Oxford - Department of Computer Science, Public Health England Colindale, Imperial College London - MRC Centre for Global Infectious Disease Analysis, Public Health England Colindale, Public Health England Colindale, Imperial College London - NIHR Health Protection Research Unit for Modelling and Health Economics, Public Health England - National Infection Service, Government of the United Kingdom - Public Health England, Imperial College London - NIHR Health Protection Research Unit for Modelling and Health Economics, Public Health England - National Infection Service, UK Health Security Agency - COVID-19 National Epidemiology Cell, Public Health England, Public Health England Colindale, Public Health England Colindale, Imperial College London - MRC Centre for Global Infectious Disease Analysis, University of Cambridge - MRC Biostatistics Unit, UK Health Security Agency - COVID-19 National Epidemiology Cell, Government of the United Kingdom - Public Health England, University of Cambridge - MRC Biostatistics Unit and Government of the United Kingdom - Public Health England

NHS Foundation Trust - Cambridge University Hospitals, Cambridge University Hospitals NHS Foundation Trust, NIHR Cambridge Clinical Research Facility, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, NIHR Cambridge Clinical Research Facility, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, University of Cambridge - Cambridge Institute for Medical Research, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, NIHR Cambridge Clinical Research Facility, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, University of Cambridge School of Clinical Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, NIHR BioResource, NIHR Cambridge Biomedical Research Centre, NIHR Cambridge Biomedical Research Centre - NIHR BioResource, NIHR BioResource, NIHR Cambridge Biomedical Research Centre, NIHR BioResource, NIHR Cambridge Biomedical Research Centre, NIHR BioResource, NIHR Cambridge Biomedical Research Centre, NIHR BioResource, NIHR Cambridge Biomedical Research Centre, Independent, Government of the United Kingdom - Public Health England, University of Cambridge - MRC Biostatistics Unit, University of Cambridge - Cambridge Institute for Therapeutic Immunology and Infectious Disease, Cambridge University Hospitals NHS Foundation Trust, Cambridge University Hospitals NHS Foundation Trust, University of Cambridge - Division of Virology and University of Cambridge - Department of Medicine