1. Department of Immunology Institute for Cellular and Molecular Medicine University of Pretoria Pretoria South Africa
2. South African Department of Science and Technology/National Research Foundation Centre of Excellence in Epidemiological Modelling and Analysis (SACEMA) Stellenbosch University Stellenbosch South Africa
3. Department of Infectious Diseases Stanford University Stanford CA USA
4. Africa Centre Population Health University of KwaZulu‐Natal South Africa
5. Department of Clinical Research London School of Hygiene and Tropical Medicine London UK
6. Research Department of Infection University College London London UK
7. School of Laboratory Medicine and Medical Sciences Nelson R. Mandela School of Medicine College of Health Sciences University of KwaZulu‐Natal Durban South Africa