University of Alabama at Birmingham, University of Alabama at Birmingham, University of Alabama at Birmingham, University of Alabama at Birmingham, University Hospitals Bristol - University Hospitals Bristol and Weston NHS Foundation Trust, Newcastle Upon Tyne Hospitals NHS Foundation Trust, University College London - Infection, Immunity and Inflammation Research & Teaching Department, University College London - Infection, Immunity and Inflammation Research & Teaching Department, Children's National Hospital - Children's Research Institute, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Southampton, The University of Manchester - Manchester University NHS Foundation Trust, University of Rochester, Levine Children's Hospital, St George’s University Hospitals NHS Foundation Trust, Baylor College of Medicine, Heartlands Hospital, Ohio State University (OSU) - Nationwide Children's Hospital, Sheffield Children’s Hospital, University of Oxford - Department of Paediatrics, Alpert Medical School of Brown University, University of Washington, University of Alabama at Birmingham and University College London

Queen Mary University of London - Barts and The London School of Medicine and Dentistry, University of Oxford - Medical Sciences Division, University of Southampton and University of Southampton - Department of Clinical and Experimental Sciences

University of London, St. George's, Paediatric Infectious Diseases Research Group, Public Health England Colindale, Public Health England - National Infection Service, affiliation not provided to SSRN, University of Southampton, affiliation not provided to SSRN, London School of Hygiene & Tropical Medicine - Department of Infectious Disease and Epidemiology, University of Oxford - Centre for Vaccinology and Tropical Medicine and University of London - Institute of Infection and Immunity