Public Health England Colindale, University College London - Institute for Health Informatics, University College London - Institute for Global Health, University College London - Institute for Health Informatics, University College London - Institute for Health Informatics, Public Health England, University College London - Institute for Health Informatics, UK Health Security Agency, Palantir Technologies, University of Birmingham - Institute of Immunology and Immunotherapy, Public Health England Colindale, Health Data Research UK, University College London - Institute for Global Health and University College London - Institute for Health Informatics