1 Chelsea and Westminster NHS Foundation Trust, 369 Fulham Road, London, SW10 9NH, UK. Electronic address: j.heskin@nhs.net.
2 Newcastle Hospitals NHS Foundation Trust, Richardson Rd Newcastle upon Tyne, NE1 4LP, UK.
3 Chelsea and Westminster NHS Foundation Trust, 369 Fulham Road, London, SW10 9NH, UK.
4 Chelsea and Westminster NHS Foundation Trust, 369 Fulham Road, London, SW10 9NH, UK; Imperial College Healthcare NHS Trust, London, UK; NIHR Health Protection Research Unit in Healthcare Associated Infections & Antimicrobial Resistance, Imperial College London, Du Cane Road, London.
5 Chelsea and Westminster NHS Foundation Trust, 369 Fulham Road, London, SW10 9NH, UK; Imperial College Healthcare NHS Trust, London, UK.
6 Rare and Imported Pathogens Laboratory, UK Health Security Agency, Porton Down, Salisbury UK.
7 Imperial College Healthcare NHS Trust, London, UK.