1. Centre for Vaccines and Immunology (CVI) National Institute for Communicable Diseases (NICD)A Division of the National Health Laboratory Service Johannesburg Gauteng South Africa
2. Medical Research Council: Respiratory and Meningeal Pathogens Research Unit Faculty of Health Sciences University of the Witwatersrand Johannesburg Gauteng South Africa
3. Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases Faculty of Health Sciences University of the Witwatersrand Johannesburg Gauteng South Africa
4. Brain Function Research Group School of Physiology Faculty of Health Sciences University of the Witwatersrand Johannesburg Gauteng South Africa
5. School of Molecular and Cell Biology Faculty of Science University of the Witwatersrand Johannesburg Gauteng South Africa
6. Department of Chemical Pathology Faculty of Health Sciences University of the Witwatersrand Johannesburg Gauteng South Africa