University of Edinburgh - Usher Institute, Glasgow Caledonian University - School of Health and Life Sciences, Glasgow Caledonian University - School of Health and Life Sciences, Government of the United Kingdom - Public Health Scotland, Government of the United Kingdom - Public Health Scotland, Government of the United Kingdom - Public Health Scotland, Government of the United Kingdom - Public Health Scotland, King’s College London, Government of the United Kingdom - Public Health Scotland, Government of the United Kingdom - Public Health Scotland, Raigmore Hospital - Scottish Microbiology Reference Laboratory, The Jack Copland Centre - Scotland National Blood Transfusion Service, Government of the United Kingdom - Public Health Scotland, University of Edinburgh - Usher Institute, University of Edinburgh - Usher Institute, University of Aberdeen - Instutute of Applied Health Sciences, University of Edinburgh - Usher Institute of Population Health Sciences and Informatics, University of St. Andrews - School of Medicine, University of Glasgow - Institute of Health and Wellbeing, University of Edinburgh - Edinburgh Clinical Trials Unit (ECTU), University of Aberdeen - Instutute of Applied Health Sciences, University of Aberdeen - Centre of Academic Primary Care, University of Glasgow - COVID-19 in LMICs Research Group, University of Strathclyde - Department of Mathematics & Statistics, University of Edinburgh - Usher Institute and University of St Andrews