1 NIHR Health Protection Research Unit in Respiratory Infections, National Heart and Lung Institute, Imperial College London, London W2 1PG, UK. Electronic address: a.lalvani@imperial.ac.uk.
2 NIHR Health Protection Research Unit in Respiratory Infections, National Heart and Lung Institute, Imperial College London, London W2 1PG, UK.
3 NIHR Health Protection Research Unit in Respiratory Infections, National Heart and Lung Institute, Imperial College London, London W2 1PG, UK; Section of Virology, Imperial College London, London W2 1PG, UK.
4 NIHR Health Protection Research Unit in Emerging and Zoonotic Infections, University of Oxford, Oxford, UK; National Infection Service, UK Health Security Agency, London, UK.
5 Section of Structural and Synthetic Biology, Imperial College London, London W2 1PG, UK; UK Dementia Research Institute Centre for Care Research and Technology, Imperial College London and the University of Surrey, UK; London Biofoundry, Imperial College Translation and Innovation Hub, London, UK.
6 Department of Infectious Disease, and NIHR Health Protection Research Unit Modelling and Health Economics, MRC Centre for Global Infectious Disease Analysis, Jameel Institute, Imperial College London, London W2 1PG, UK.