Clare Thakker, specialist registrar in infectious diseases and microbiology and Wellcome clinical PhD fellow1 2, Helen L Booth, honorary consultant thoracic physician3, Jonathan Lambert, consultant haematologist and honorary associate professor3 4, Sarah Morgan, clinical lead and GP partner5 6, Anna M Checkley, infectious diseases consultant and honorary associate professor, 1 7 1Hospital for Tropical Diseases, University College London Hospitals NHS Foundation Trust, London, UK 2University...