1. Flu Surveillance Public Health England London UK
2. Center for Respiratory Diseases and Meningitis National Institute for Communicable Diseases Johannesburg South Africa
3. Global Influenza Program World Health Organization Geneva Switzerland
4. Usher Institute of Population Health Research and Informatics University of Edinburgh Edinburgh UK
5. Center for Global Health Colorado School of Public Health Aurora CO USA
6. MRC Tropical Epidemiology Group London School of Hygiene and Tropical Medicine London UK
7. Bill and Melinda Gates Foundation Seattle WA USA