The following clinicians contributed to this briefing:
Rose McGuire, senior intravascular practitioner, Princess Royal Hospital, Kings College Hospital NHS Foundation Trust. No conflicts of interest declared.
Jan Hitchcock, general manager (interim) of the Infection Prevention and Control Directorate, Hammersmith Hospital, Imperial College Healthcare NHS Trust. Ms Hitchcock has been paid as a conference speaker by 3M and Johnson & Johnson.
Catherine Plowright, consultant nurse critical care, Medway Maritime Hospital, Medway NHS Foundation Trust. No conflicts of interest declared.