1. Virus Reference Department, UK Health Security Agency , London , United Kingdom
2. National Institute for Health and Care Research Health Protection Research Unit (NIHR HPRU) in Bloodborne and Sexually Transmitted Infections , London , United Kingdom
3. Theoretical Biology and Biophysics Group, Los Alamos National Laboratory , Los Alamos, New Mexico , USA
4. Royal London Hospital, Barts Health NHS Trust , London , United Kingdom
5. Warrington and Halton Teaching Hospitals NHS Foundation Trust , Warrington , United Kingdom