University of Oxford - Nuffield Department of Medicine, Oxford University Hospitals NHS Foundation Trust, National Mycobacterial Reference Service- Central and North, Public Health England, Tuberculosis, Acute Respiratory, Gastrointestinal, Emerging/Zoonotic Infections and Travel Migrant Health Division, (T.A.R.G.E.T), National Infection Service, Public Health England, Tuberculosis, Acute Respiratory, Gastrointestinal, Emerging/Zoonotic Infections and Travel Migrant Health Division, (T.A.R.G.E.T), National Infection Service, Public Health England, Government of the United Kingdom - Public Health England, Oxford University Hospitals NHS Foundation Trust, Oxford University Hospitals NHS Foundation Trust, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, Government of the United Kingdom - Public Health England, University of Oxford, Nuffield Department of Medicine, John Radcliffe Hospital, University of Oxford - Nuffield Department of Medicine, University of Oxford, Nuffield Department of Medicine, John Radcliffe Hospital, University of Oxford - NIHR Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance, Oxford University Hospitals NHS Foundation Trust and University of Oxford - Nuffield Department of Medicine