1 The Francis Crick Institute, London NW1 1AT, UK.
2 Worldwide Influenza Centre, The Francis Crick Institute, London, UK.
3 The Francis Crick Institute, London NW1 1AT, UK; Worldwide Influenza Centre, The Francis Crick Institute, London, UK.
4 National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre and NIHR UCLH Clinical Research Facility, London, UK.
5 National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre and NIHR UCLH Clinical Research Facility, London, UK; University College London, London, UK.
6 The Francis Crick Institute, London NW1 1AT, UK; University College London, London, UK.
7 The Francis Crick Institute, London NW1 1AT, UK; National Institute for Health Research (NIHR) University College London Hospitals (UCLH) Biomedical Research Centre and NIHR UCLH Clinical Research Facility, London, UK.
8 The Francis Crick Institute, London NW1 1AT, UK. Electronic address: david.bauer@crick.ac.uk.