1. Barinthus Biotherapeutics, Harwell, Didcot OX11 0DF, UK
2. Medicines Evaluation Unit Ltd., Manchester M23 9QZ, UK
3. Nuffield Department of Medicine, University of Oxford, Oxford OX1 2JD, UK
4. Centre for Clinical Vaccinology and Tropical Medicine (CCVTM), University of Oxford, Oxford OX1 2JD, UK