Government of the United Kingdom - Public Health England Colindale, Public Health England, Government of the United Kingdom - Public Health England Colindale, East London NHS Foundation Trust, Government of the United Kingdom - Public Health England Colindale, The University of Manchester - Manchester University NHS Foundation Trust, Birmingham Community Healthcare NHS Trust, Oxford University Hospitals NHS Foundation Trust, Oxford University Hospitals NHS Foundation Trust, Meningococcal Reference Unit, UK Health Security Agency, Public Health England, Manchester Royal Infirmary, UK Health Security Agency, UK Health Security Agency, Public Health England - Virus Reference Department, Public Health England, Government of the United Kingdom - Public Health England, Public Health England - Immunisation and Countermeasures Division, UK Health Security Agency, Public Health England - Immunisation, Hepatitis, and Blood Safety Department, Government of the United Kingdom - Public Health England Colindale and Government of the United Kingdom - Immunisation and Countermeasures Division