Emory University - Rollins School of Public Health, Johns Hopkins University - Bloomberg School of Public Health, Johns Hopkins University - Bloomberg School of Public Health, Johns Hopkins University - International Vaccine Access Center, Johns Hopkins University - Department of Epidemiology, Johns Hopkins University - Bloomberg School of Public Health, Johns Hopkins University - Bloomberg School of Public Health, Johns Hopkins University - Department of International Health, International Vaccine Access Center, World Health Organization (WHO) - Department of Immunizations, Vaccines and Biologicals, University of the Witwatersrand - Department of Clinical Microbiology and Infectious Diseases, RWTH Aachen University - RWTH University Hospital Aachen, University of Amsterdam - Department of Medical Microbiology and Infection Prevention, Consejería de Sanidad - Servicio de Epidemiología, Yale University - Institute for Global Health, affiliation not provided to SSRN, Centers for Disease Control & Prevention - National Center for Immunization and Respiratory Diseases, Centre Hospitalier Intercommunal de Créteil, Statens Serums Institut - Infectious Disease Epidemiology & Prevention, University of West Attica, National Institute of Public Health, affiliation not provided to SSRN, World Health Organization (WHO), Government of the United Kingdom - NHS Greater Glasgow and Clyde, London School of Hygiene & Tropical Medicine, Epiconcept, Riga Stradins University, University of Melbourne - Murdoch Children's Research Institute, World Health Organization (WHO), Toyama Institute of Health - Department of Bacteriology, Tampere University - Faculty of Social Sciences, INEI - ANLIS “Dr. Carlos G. Malbrán" - Servicio de Bacteriología Clínica, World Health Organization’s Regional Office for Africa, Hospital Sant Joan de Deu - Molecular Microbiology Department, Public Health Agency of Sweden, Australian Government - Centre for Disease Control, University of Toronto, Regional Authority of Public Health - National Reference Centre for Pneumococcal and Haemophilus Diseases, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, LACEN - Laboratório Central de Saúde Pública, Public Health England - Immunisation and Countermeasures Division, Landspitali - The National University Hospital - Department of Clinical Microbiology, National Institute of Public Health, National Health Laboratory Services (NHLS) - Centre for Respiratory Diseases and Meningitis, Kaiser Permanente Northern California - Kaiser Permanente Vaccine Study Center, University of Calgary, The University of Sydney, The University of Hong Kong - Department of Microbiology, University of Bern, Government of the United States of America - Arctic Investigations Program, Johns Hopkins University - Department of International Health, International Vaccine Access Center, National Institute of Public Health, ESR (Institute of Environmental Science and Research) - Health Intelligence Team, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, University of Liverpool, Mohammed VI University of Health Sciences, KU Leuven - University Hospitals Leuven, Université Laval, Statens Serums Institut, Ben-Gurion University of the Negev - Faculty of Health Science, Children’s Health Ireland at Temple Street - Irish Meningitis and Sepsis Reference Laboratory, European Centre for Disease Prevention and Control, Instituto Costarricense de Investigación y Enseñanza en Nutrición y Salud, Instituto de Salud Pública y Laboral de Navarra, Italian National Institute of Health, National Centre for Infectious Diseases (Singapore), University of Utah Health Sciences Center - Division of Pediatric Infectious Diseases, Instituto Adolfo Lutz, Instituto de Salud Pública de Chile, Johns Hopkins University - Department of International Health, International Vaccine Access Center and Independent

University of the Witwatersrand - South African Medical Research Council, Global Health Center, Centers for Disease Control and Prevention, Global Health Center, Centers for Disease Control and Prevention, Crown Agents, ICAP – Columbia University, Aberdeen Women’s Centre, UNICEF Sierra Leone, Caritas International-Sierra Leone, University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), Maputo Central Hospital - Department of Pathology, Centro de Investigação em Saúde da Manhiça (CISM), Government of Mali - Centre pour le Développement des Vaccins, - Department of Pediatrics, - Department of Pediatrics, Government of Mali - Centre pour le Développement des Vaccins, Government of Mali - Centre pour le Développement des Vaccins, Kisumu County Department of Health, Centers for Disease Control and Prevention (Kenya), Kenya Medical Research Institute (KEMRI) - Centre for Global Health Research, Centers for Disease Control & Prevention - National Center for Immunization and Respiratory Diseases, Aga Khan University - Department of Pathology, London School of Hygiene & Tropical Medicine, Haramaya University - College Health and Medical Science, London School of Hygiene & Tropical Medicine - Department of Infectious Disease and Epidemiology, Addis Ababa Burn, Emergency and Trauma Hospital - Department of Microbiology, Haramaya University - College Health and Medical Science, International Centre for Diarrheal Disease Research (icddr,b), International Centre for Diarrheal Disease Research (icddr,b), International Centre for Diarrheal Disease Research (icddr,b), International Centre for Diarrheal Disease Research (icddr,b), International Centre for Diarrheal Disease Research (icddr,b), University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand - School of Pathology, Emory University - Emory Global Health Institute, Emory University - Emory Global Health Institute, University of the Witwatersrand - Wits Infectious Diseases and Oncology Research Institute and University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit

University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University College London - NIHR Mucosal Pathogens Research Unit, University of Edinburgh - The Queen’s Medical Research Institute, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of Malawi - College of Medicine, National Health Laboratory Services (NHLS) - Centre for Respiratory Diseases and Meningitis, Centers for Disease Control & Prevention - National Center for Immunization and Respiratory Diseases, Centers for Disease Control & Prevention - National Center for Immunization and Respiratory Diseases, Ministry of Health (Malawi), University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, University of Liverpool - Center for Global Vaccine Research, University of Liverpool, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme and Independent