Imperial College London - MRC Centre for Global Infectious Disease Analysis, Imperial College London - MRC Centre for Global Infectious Disease Analysis, Institute de Recherche en Sciences de Santé (IRSS), University of Oxford, Institute de Recherche en Sciences de Santé (IRSS), Institute de Recherche en Sciences de Santé (IRSS), Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, Institute de Recherche en Sciences de Santé (IRSS), Institute de Recherche en Sciences de Santé (IRSS), Institute de Recherche en Sciences de Santé (IRSS), University of Oxford, University of Oxford - The Jenner Institute, University of Oxford - The Jenner Institute, University of Oxford - The Jenner Institute, University of Oxford - The Jenner Institute, University of Oxford - Centre for Clinical Vaccinology and Tropical Medicine, University of Oxford, Imperial College London - MRC Centre for Global Infectious Disease Analysis, Imperial College London, Institute de Recherche en Sciences de Santé (IRSS), University of Oxford - KEMRI-Coast Centre for Geographical Medicine and Research, Ifakara Health Institute, University of Sciences, Technique and Technologies of Bamako (USTTB) - Malaria Research and Training Centre, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, University of Oxford - The Jenner Institute, GSK plc, Imperial College London - MRC Centre for Global Infectious Disease Analysis and Imperial College London - MRC Centre for Global Infectious Disease Analysis

London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, affiliation not provided to SSRN, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, Institute de Recherche en Sciences de Santé (IRSS), London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, London School of Hygiene & Tropical Medicine - Medical Research Council Unit The Gambia, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine - Medical Research Council Unit: The Gambia, London School of Hygiene & Tropical Medicine, Institute de Recherche en Sciences de Santé (IRSS) - Clinical Research Unit of Nanoro, London School of Hygiene & Tropical Medicine - Medical Research Council Unit The Gambia and Independent