1. Immunisation and Countermeasures, National Infection Service Public Health England (PHE) London UK
2. Statistics and Modelling Department, National Infection Service Public Health England (PHE) London UK
3. Virus Reference Department, National Infection Service Public Health England (PHE) London UK
4. National Infection Service Laboratories, National Infection Service Public Health England (PHE) Bristol UK
5. Real‐Time Syndromic Surveillance Team, National Infection Service Public Health England (PHE) Birmingham UK
6. Nuffield Department of Primary Care Health Sciences University of Oxford Oxford UK
7. Research and Surveillance Centre (RSC) Royal College of General Practitioners (RCGP) London UK