1. From the Big Data Institute (D.W.E.) and the Health Economics Research Centre (K.B.P.), the Nuffield Department of Population Health, National Institute for Health Research Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance (D.W.E., K.B.P., A.S.W., T.E.A.P.), and the Nuffield Department of Medicine (A.S.W., T.E.A.P.), University of Oxford, Oxford, and the Department of Health and Social Care, National Health Service Test and Trace (D.T., M.P., T.F.), Deloitte...