Imperial College London - Section of Adult Infectious Disease, Imperial College London, Public Health England - Emerging Infections and Zoonoses Unit, Imperial College London, Imperial College London - London BiofoundryImperial College London - Section of Structural and Synthetic Biology, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Public Health England Colindale, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Imperial College London, Government of the United Kingdom - Public Health England, affiliation not provided to SSRN, Government of the United Kingdom - Public Health England Colindale, Government of the United Kingdom - Public Health England, Virus Reference Department, Public Health England, Imperial College London - Section of Virology, Imperial College London - London Biofoundry, Imperial College London - Section of Virology, University of Manchester - Manchester University NHS Foundation Trust, Public Health England - Virus Reference Department, Imperial College London - MRC Centre for Global Infectious Disease Analysis and Imperial College London

Imperial College London - Section of Infectious Diseases and Immunity, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Department of Infection and Immunity, Imperial College Healthcare NHS Trust, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Worldwide Influenza Centre, Francis Crick Institute, Worldwide Influenza Centre, Francis Crick Institute, The Wellington Hospital, The Wellington Hospital, The Wellington Hospital, Blood Borne Virus Unit, National Infection Service, Colindale Public Health England, Blood Borne Virus Unit, National Infection Service, Colindale Public Health England, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Imperial College London - Section of Virology, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Chromatin Structure and Mobile DNA Laboratory, The Francis Crick Institute, Structural Biology Science Technology Platform, Francis Crick Institute, King’s College London, Department of Virology, King’s College Hospital, Imperial College London - Department of Infectious Disease, Department of Infectious Disease, Imperial College London, Department of Infectious Disease, Imperial College London, Imperial College London - Department of Epidemiology and Biostatistics, Jenner Institute, University of Oxford, University of Oxford - The Jenner Institute, University of Oxford - Chinese Academy of Medical Science Oxford Institute (COI), Department of Infection and Immunity, Imperial College Healthcare NHS Trust, University of Edinburgh - Roslin Institute, Imperial College London - National Heart and Lung Institute, University of Liverpool - Health Protection Research Unit in Emerging and Zoonotic Infections, Independent, Department of Infectious Disease, Imperial College London and Imperial College London - Section of Virology

Imperial College London - Section of Virology, UK Health Security Agency - Virus Reference Department, UK Health Security Agency - Virus Reference Department, Imperial College London - National Centre for Human Retrovirology, UK Health Security Agency - Virus Reference Department, UK Health Security Agency - Virus Reference Department, Imperial College London - Department of Infectious Disease, Imperial College London - Section of Virology, Imperial College London - Section of Virology, Imperial College London - Department of Infectious Disease, Imperial College London - Imperial College Healthcare NHS Trust, Imperial College London - Section of Virology, Imperial College London - Section of Virology, Imperial College London - Section of Infectious Diseases and Immunity, Imperial College London - Section of Infectious Diseases and Immunity, Imperial College London - Section of Virology and Imperial College London - Section of Virology

Imperial College London, University of Gondar, University of Gondar, Imperial College London, Imperial College London - Section of Paediatric Infectious Disease, Wellcome Genome Campus, Imperial College London - Section of Paediatric Infectious Disease, Imperial College London - Section of Virology, Imperial College London, Wellcome Genome Campus and Imperial College London