Professor Nigel Curtis is an internationally recognised clinician-scientist and leading authority on paediatric infectious diseases. His research combines clinical trials and laboratory studies to improve the diagnosis, treatment and prevention of infectious diseases in children, particularly tuberculosis. He also investigates the effects of vaccines beyond the infections they are designed to prevent and led the international BRACE vaccine trial. His expertise has been recognised through appointments to national government and World Health Organization advisory groups. He received the European Society for Paediatric Infectious Diseases’ Bill Marshall Award in 2022.