1. Influenza Division Centers for Disease Control and Prevention Atlanta Georgia
2. Influenza Program Centers for Disease Control and Prevention Pretoria South Africa
3. Centre for Respiratory Diseases and Meningitis National Institute for Communicable Diseases of the National Health Laboratory Service Johannesburg South Africa
4. MassGenics Duluth Georgia
5. Faculty of Health Sciences, School of Public Health University of the Witwatersrand Johannesburg South Africa
6. Expanded Programme on Immunization, Department of Immunization, Vaccines and Biological World Health Organization Geneva Switzerland
7. Priority Cost Effectiveness Lessons for System Strengthening South Africa, South Africa Medical Research Council, Wits Center for Health Economic and Decision Science, School of Public Health University of the Witwatersrand Johannesburg South Africa
8. Faculty of Health Sciences, School of Pathology University of the Witwatersrand Johannesburg South Africa
9. Department of Medicine Greys Hospital Pietermaritzburg South Africa
10. Caprisa University of KwaZulu‐Natal Pietermaritzburg South Africa
11. Department of Medicine Klerksdorp‐Tshepong Hospital Complex Klerksdorp South Africa
12. Faculty of Health Sciences, Department of Medicine University of the Witwatersrand Johannesburg South Africa
13. Perinatal HIV Research Unit University of the Witwatersrand Johannesburg South Africa