Makerere University - Department of Medical Microbiology, Baylor University - Children's Foundation Uganda, Makerere University - Department of Medical Microbiology, Baylor University - Botswana-Baylor Children's Clinical Centre of Excellence, Makerere University - Department of Immunology and Molecular Biology, University of Botswana - Department of Biological Sciences, University of Botswana - Department of Biological Sciences, Baylor University - Children's Foundation Uganda, Baylor University - Botswana-Baylor Children's Clinical Centre of Excellence, Makerere University - Department of Immunology and Molecular Biology, Makerere University - Department of Immunology and Molecular Biology, University of Botswana - Department of Biological Sciences, University of Botswana - Department of Biological Sciences, Makerere University - Department of Immunology and Molecular Biology, Makerere University - Department of Immunology and Molecular Biology, Makerere University - Department of Immunology and Molecular Biology, Baylor University - Children's Foundation Uganda, University of Botswana - Department of Biological Sciences, University of Botswana - Department of Biological Sciences, MRC/UVRI & LSHTM Uganda Research Unit, Baylor University - Children's Foundation Uganda, Makerere University - Department of Immunology and Molecular Biology, Australian Medical Research, University of Tennessee, Memphis - Health Science Center, University of Botswana - School of Allied Health Professionals, Faculty of Health Sciences, Makerere University - Department of Immunology and Molecular Biology, Baylor University - Children's Foundation Uganda, University of Botswana - Department of Biological Sciences, Baylor University - Department of Molecular and Human Genetics, Baylor University - Children's Foundation Uganda, Government of the United States of America - Childhood Complex Disease Genomics Section, Baylor University - Botswana-Baylor Children's Clinical Centre of Excellence and Baylor University - Children's Foundation Uganda