International Centre for Diarrheal Disease Research (icddr,b), Johns Hopkins University - Department of Epidemiology, 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), Crown Agents, World Hope International, Crown Agents, ICAP – Columbia University, Government of Mali - Centre pour le Développement des Vaccins, Government of Mali - Centre pour le Développement des Vaccins, - Department of Pediatrics, - Center for Vaccine Development and Global Health, - Department of Pediatrics, Chris Hani Baragwanath Academic Hospital - Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand, University of the Witwatersrand, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, Kenya Medical Research Institute (KEMRI), Kisumu County Department of Health, Kenya Medical Research Institute (KEMRI), Kenya Medical Research Institute (KEMRI), Kisumu County Department of Health, Centro de Investigação em Saúde da Manhiça (CISM), University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), 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), Haramaya University - College Health and Medical Science, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine - Department of Infectious Disease and Epidemiology, Mekelle University, Addis Ababa University, Emory University - Emory Global Health Institute, Emory University - Emory Global Health Institute, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Emory University - Emory Global Health Institute, Emory University - Emory Global Health Institute, International Centre for Diarrheal Disease Research (icddr,b) 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 Barcelona - Institut de Salut Global de Barcelona (ISGlobal), Government of the United States of America - Centers for Disease Control and Prevention (CDC), 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), Haramaya University - College Health and Medical Science, London School of Hygiene & Tropical Medicine - Department of Infectious Disease and Epidemiology, Haramaya University, Kenya Medical Research Institute (KEMRI), Kenya Medical Research Institute (KEMRI), Aga Khan University - Department of Pathology, Kenya Medical Research Institute (KEMRI), Government of Mali - Centre pour le Développement des Vaccins, - Department of Pediatrics, - Department of Pediatrics, Government of Mali - Centre pour le Développement des Vaccins, Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), Crown Agents, National Hospital Abuja, University of Ghana Medical School, Emory University - Rollins School of Public Health, University of the Witwatersrand, University of the Witwatersrand - South African Medical Research Council, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Emory University - Emory Global Health Institute, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Emory University - Emory Global Health Institute and University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal)

University of the Witwatersrand, University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit, Government of the United States of America - Centers for Disease Control and Prevention (CDC), University of the Witwatersrand, University of the Witwatersrand, Haramaya University - College Health and Medical Science, London School of Hygiene & Tropical Medicine - Department of Infectious Disease and Epidemiology, Haramaya University - Department of Medical Laboratory Sciences, London School of Hygiene & Tropical Medicine, University of Calabar (UNICAL) - Department of English & Literary Studies, Crown Agents, ICAP – Columbia University, World Health Organization (WHO), - Department of Pediatrics, Government of Mali - Centre pour le Développement des Vaccins, - Department of Pediatrics, Government of Mali - Centre pour le Développement des Vaccins, Centro de Investigação em Saúde de Manhiça, Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), Centro de Investigação em Saúde da Manhiça (CISM), University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), 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), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Kisumu County Department of Health, Emory University - Emory Global Health Institute, Emory University - Emory Global Health Institute, University of Barcelona - Institut de Salut Global de Barcelona (ISGlobal), University of the Witwatersrand - Vaccines and Infectious Diseases Analytics Research Unit and Independent