1. Immunisation and Vaccine Preventable Diseases, UK Health Security Agency, London, UK
2. Vaccine Preventable Bacteria Section, Reference Services, Specialised Microbiology and Laboratories Directorate, UK Health Security Agency, London, UK
3. School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
4. School of Biosciences and Medicine, Faculty of Health and Medical Sciences, Edward Jenner Building, University of Surrey, Guildford, UK