1 From the Coalition for Epidemic Preparedness Innovations (CEPI), the Norwegian Institute of Public Health, and the University of Oslo - all in Oslo (J.-A.R., D.G.); the Harvard T.H. Chan School of Public Health, Boston (J.-A.R.); Chatham House (J.-A.R.), GlaxoSmithKline (A.W.), and the London School of Hygiene and Tropical Medicine (P.P.) - all in London; the International AIDS Vaccine Initiative (M.F.) and Johnson & Johnson (P.S.) - both in New York; the University of Pennsylvania, Philadelphia (S.P.); the Department of Biotechnology, Ministry of Science and Technology, New Delhi, India (K.V.R.); and the Directorate General for Research and Innovation, European Commission, Brussels (R.D.-A.).