1. Big Data Institute, Nuffield Department of Medicine, University of Oxford, Old Road Campus, Oxford OX3 7LF, UK.
2. Department of Zoology, University of Oxford, Oxford OX1 3SZ, UK.
3. Wellcome Centre for Human Genetics, Nuffield Department of Medicine, NIHR Biomedical Research Centre, University of Oxford, Old Road Campus, Oxford OX3 7BN, UK.
4. Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK.
5. Division of Medical Virology, Stellenbosch University, Stellenbosch, South Africa.
6. Hampshire Hospitals NHS Foundation Trust, Basingstoke and North Hampshire Hospital, Basingstoke RG24 9NA, UK.
7. School of Biosciences and Medicine, University of Surrey, Guildford GU2 7XH, UK.
8. Gibraltar Health Authority, Gibraltar, UK.
9. School of Medicine, University of Southampton, Southampton SO17 1BJ, UK.
10. Institute of Microbiology and Infection, University of Birmingham, Birmingham B15 2TT, UK.
11. Peter Medawar Building for Pathogen Research, University of Oxford, Oxford OX1 3SY, UK.
12. Nuffield Department of Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK.
13. Big Data Institute, Nuffield Department of Public Health, University of Oxford, Old Road Campus, Oxford OX3 7FL, UK.
14. Pathogen Genomics Unit, Public Health Wales Microbiology, Cardiff CF10 4BZ, UK.
15. Cardiff University School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK.
16. MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, UK.
17. Wellcome Sanger Institute, Cambridge CB10 1SA, UK.