Public Health England - Immunisation and Countermeasures Division, Public Health England, Government of the United Kingdom - Public Health England Colindale, East London NHS Foundation Trust, Derbyshire Healthcare NHS Foundation Trust, 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, Government of the United Kingdom - Public Health England Colindale, London School of Hygiene & Tropical Medicine - Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene and Tropical Medicine, London School of Hygiene & Tropical Medicine - Department of Disease Control, London School of Hygiene & Tropical Medicine - Faculty of Infectious and Tropical Diseases, Office for National Statistics, Office for National Statistics, Public Health England - Immunisation and Countermeasures Division, Public Health England Colindale, Public Health England - Virus Reference Department, Public Health England, Blood Borne Virus Unit, National Infection Service, Colindale Public Health England, Virus Reference Department, Public Health England, Government of the United Kingdom - Public Health England, Public Health England, Office for National Statistics, Public Health England - Immunisation, Hepatitis, and Blood Safety Department and Public Health England - Immunisation and Countermeasures Division