University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Oxford Vaccine Group, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, Public Health England Colindale, Government of the United Kingdom - Public Health Scotland, Liverpool School of Tropical Medicine - Department of Clinical Sciences, University of Liverpool - School of Tropical Medicine, Liverpool School of Tropical Medicine - Department of Clinical Sciences, University Hospitals Birmingham NHS Foundation Trust, Public Health England - National Infection Service, University of London - Institute of Infection and Immunity, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Bristol - Bristol Vaccine Centre, University of Oxford - The Jenner Institute, Government of the United Kingdom - North Bristol NHS Trust, University College London, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, University of Southampton - University Hospital Southampton NHS Foundation Trust, Nottingham University Hospitals NHS Trust, Imperial College London - National Heart & Lung Institute, University of Nottingham - Division of Epidemiology and Public Health, University of Oxford - Centre for Vaccinology and Tropical Medicine and Independent

University of Oxford - Oxford Vaccine Group, University of Oxford - Big Data Institute, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Cambridge, University of Oxford - Oxford Vaccine Group, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Cambridge - Department of Medicine, University of Oxford - Big Data Institute, University of Oxford - The Jenner Institute, Public Health England - National Infection Service, University of Oxford - Centre for Vaccinology and Tropical Medicine, Liverpool School of Tropical Medicine - Department of Clinical Sciences, UK Biocentre, University of Sheffield - Department of Infection, Immunity and Cardiovascular Disease, University of Oxford - Oxford Vaccine Group, University of Oxford - Jenner Institute, Newcastle upon Tyne Hospitals NHS Foundation Trust - Department of Infection and Tropical Medicine, GSK plc, University of Oxford - The Jenner Institute, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Liverpool - School of Tropical Medicine, University of Oxford - Oxford Vaccine Group, University of Bristol - Bristol Vaccine Centre, University of Oxford - The Jenner Institute, University of Oxford - Jenner Institute, St George’s University London - St George’s Vaccine Institute, University College London - Department of Infection, University of Oxford - Clinical BioManufacturing Facility, University Hospitals Birmingham NHS Foundation Trust, University of Oxford - Oxford Vaccine Group, Public Health England - National Infection Service, University of London - Institute of Infection and Immunity, Queen Elizabeth University Hospital, Liverpool School of Tropical Medicine - Department of Clinical Sciences, University of Oxford - The Jenner Institute, University of Oxford - Centre for Vaccinology and Tropical Medicine, University Hospitals Bristol - University Hospitals Bristol and Weston NHS Foundation Trust, University College London, Hull University Teaching Hospitals NHS Trust, Genomics England, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - The Jenner Institute, London Northwest University Healthcare, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, Imperial College London - Department of Infectious Disease, University of Oxford - Oxford Vaccine Group, University of Glasgow - College of Medical, Veterinary & Life Sciences, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, Western General Hospital - Clinical Infection Research Group, MRC-University of Glasgow Centre for Virus Research, Royal Papworth HospitalUniversity of Cambridge - Heart and Lung Research Institute, Nottingham University Hospitals NHS Trust, AstraZeneca Biopharmaceuticals, AstraZeneca Pharmaceuticals, Anuerin Bevan University Health Board, University of Oxford - The Jenner Institute, University of Oxford - The Jenner Institute, University of Oxford - Chinese Academy of Medical Science Oxford Institute (COI), University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, University of Oxford - Oxford Vaccine Group, Independent and Independent

University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - The Jenner Institute, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Southampton - NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of London - Institute of Infection and Immunity, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, Independent, Guy's and St Thomas' NHS Foundation Trust - Department of Infection, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, Independent, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Oxford Vaccine Group and Independent

St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, St. George’s University of London - Paediatric Infectious Diseases Research Group, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, All India Institute of Medical Sciences (AIIMS) - Newborn Division and WHO-CC, Global Antibiotic Research and Development Partnership (GARDP), University of the Witwatersrand - School of Clinical Medicine, Stellenbosch University - Department of Paediatrics and Child Health, Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Penta Foundation, Queen Sirikit National Institute of Child Health, University of São Paulo (USP) - Department of Pediatrics, All India Institute of Medical Sciences (AIIMS) - Department of Paediatrics, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, London School of Hygiene & Tropical Medicine - Department of Infectious Disease Epidemiology, Chiang Mai University - PHPT/IRD, Vietnam National Children’s Hospital, Capital Medical University - Department of Neonatology, Stellenbosch University - Department of Paediatrics and Child Health, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, University of Antwerp - Laboratory of Medical Microbiology, University of Antwerp - Laboratory of Medical Microbiology, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Global Antibiotic Research and Development Partnership (GARDP), Queen Sirikit National Institute of Child Health - Neonatal Unit, University of Antwerp - Laboratory of Medical Microbiology, Karolinska Institutet - Department of Global Public Health, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, University of Antwerp - Laboratory of Medical Microbiology, University of São Paulo (USP) - Department of Pediatrics, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Makerere University - Johns Hopkins University Research Collaboration, Drugs for Neglected Diseases Initiative, Kemri-Wellcome Trust Research Programme - Clinical Research Department,, Makerere University - Johns Hopkins University Research Collaboration, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Chiangrai Prachanukroh Hospital, World Health Organization (WHO) - Department of Maternal, Newborn, Child and Adolescent Health, University of the Witwatersrand - School of Clinical Medicine, St. George’s University of London - Paediatric Infectious Diseases Research Group, Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, University of the Witwatersrand - School of Clinical Medicine, University of the Witwatersrand - School of Clinical Medicine, University of Antwerp - Laboratory of Medical Microbiology, Capital Institute of Pediatrics - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Global Antibiotic Research and Development Partnership (GARDP), St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, University of London - Institute of Infection and Immunity and St. George’s University of London - Paediatric Infectious Diseases Research Group

St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, St. George’s University of London - Paediatric Infectious Diseases Research Group, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Jawaharlal Institute of Postgraduate Medical Education & Research (JIPMER) - Department of Neonatology, All India Institute of Medical Sciences (AIIMS) - Newborn Division and WHO-CC, Global Antibiotic Research and Development Partnership (GARDP), University of the Witwatersrand - School of Clinical Medicine, Stellenbosch University - Department of Paediatrics and Child Health, Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Penta Foundation, Queen Sirikit National Institute of Child Health, University of São Paulo (USP) - Department of Pediatrics, All India Institute of Medical Sciences (AIIMS) - Department of Paediatrics, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, London School of Hygiene & Tropical Medicine - Department of Infectious Disease Epidemiology, Chiang Mai University - PHPT/IRD, Vietnam National Children’s Hospital, Capital Medical University - Department of Neonatology, Stellenbosch University - Department of Paediatrics and Child Health, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, University of Antwerp - Laboratory of Medical Microbiology, University of Antwerp - Laboratory of Medical Microbiology, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Santa Casa de São Paulo - Pediatric Infectious Diseases Unit, Global Antibiotic Research and Development Partnership (GARDP), Queen Sirikit National Institute of Child Health - Neonatal Unit, University of Antwerp - Laboratory of Medical Microbiology, Karolinska Institutet - Department of Global Public Health, Bambino Gesù Children's Hospital - Academic Hospital Paediatric Department, University of Antwerp - Laboratory of Medical Microbiology, University of São Paulo (USP) - Department of Pediatrics, Seth GS Medical College - Neonatology Department, Lady Hardinge Medical College - Department of Neonatology, Makerere University - Johns Hopkins University Research Collaboration, Drugs for Neglected Diseases Initiative, Kemri-Wellcome Trust Research Programme - Clinical Research Department,, Makerere University - Johns Hopkins University Research Collaboration, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Chiangrai Prachanukroh Hospital, World Health Organization (WHO) - Department of Maternal, Newborn, Child and Adolescent Health, University of the Witwatersrand - School of Clinical Medicine, St. George’s University of London - Paediatric Infectious Diseases Research Group, Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, Dhaka Shishu Hospital - Child Health Research Foundation (CHRF), Aristotle University and Hippokration General Hospital - Infectious Diseases Unit, University of the Witwatersrand - School of Clinical Medicine, University of the Witwatersrand - School of Clinical Medicine, University of Antwerp - Laboratory of Medical Microbiology, Capital Institute of Pediatrics - Department of Neonatology, Shenzhen Children's Hospital - Department of Neonatology, Capital Medical University - Beijing Obstetrics and Gynecology Hospital, Global Antibiotic Research and Development Partnership (GARDP), St. George’s University of London - Paediatric Infectious Diseases Research Group, University College London - Medical Research Council Clinical Trials Unit, University of London - Institute of Infection and Immunity and St. George’s University of London - Paediatric Infectious Diseases Research Group

University of Otago Christchurch - Department of Paediatrics, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, University of Oxford - Department of Paediatrics, University of Oxford - Department of Paediatrics, University of Oxford - Department of Paediatrics, Great Ormond Street Hospital for Children NHS Foundation Trust, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Centre for Vaccinology and Tropical Medicine, University of Oxford - Nuffield Department of Primary Care Health Sciences, University of Oxford - Department of Paediatrics, University of London - Institute of Infection and Immunity, Alder Hey Children's NHS Foundation Trust - Department of Neurology, St Mary’s Hospital, University of London - Institute of Infection and Immunity, University of Oxford - Department of Paediatrics, University of Liverpool - Institute of Infection, Veterinary and Ecological Sciences, British Columbia Children's Hospital Research Institute - Vaccine Evaluation Center, University of Oxford - Oxford Vaccine Group, Independent and Independent

Makerere University, University of Oxford - Oxford Vaccine Group, University of British Columbia (UBC), Dalhousie University, Makerere University - Johns Hopkins University Research Collaboration, UK Health Security Agency, British Columbia Children's Hospital Research Institute, UK Health Security Agency, UK Health Security Agency, UK Health Security Agency, University of Oxford, UK Health Security Agency, University of London - Institute of Infection and Immunity, Medical Research Council/Uganda Virus Research Institute & London School of Hygiene and Tropical Medicine (MRC/UVRI & LSHTM), Uganda Research Unit, St. George’s University of London, Makerere University - Johns Hopkins University Research Collaboration, Kawempe National Refferal Hospital, British Columbia Children's Hospital Research Institute, Makerere University, UK Health Security Agency, British Columbia Children's Hospital Research Institute - Vaccine Evaluation Center and St. George’s University of London

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