University of Cape Town (UCT) - Division of Medical Microbiology, The University of Hong Kong, University of Cape Town (UCT) - SA-MRC Unit on Child & Adolescent Health, University of Cape Town (UCT), Stellenbosch University, University of Cape Town (UCT), J. Craig Venter Institute, Maryland, J. Craig Venter Institute, Maryland, University of Cape Town (UCT) - Division of Medical Microbiology, University of Cape Town (UCT) - Division of Medical Microbiology, University of Cape Town (UCT) - Department of Molecular and Cell Biology, University of Cape Town (UCT) - Division of Medical Microbiology, University of Cape Town (UCT) - Division of Medical Microbiology, University of Cape Town (UCT) - Department of Pediatrics and Child Health and The University of Western Australia - Division of Infection and Immunity