1. High Containment Microbiology, NIS Laboratories, National Infection Service, Public Health England, Colindale, London, United Kingdom
2. UK Public Health Rapid Support Team, Public Health England/London School of Hygiene and Tropical Medicine, London, United Kingdom
3. Virology Department, Clinical Sciences Laboratory, National Infection Service, Public Health England, Manchester Public Health Laboratory, Manchester, United Kingdom
4. NIS Laboratories, National Infection Service, Public Health England, Colindale, London, United Kingdom