ANDREW J POLLARD, BSc MA MBBS MRCP(UK) FRCPCH PhD DIC FHEA FIDSA FMedSci, is Professor of Paediatric Infection and Immunity at the University of Oxford, Honorary Consultant Paediatrician at Oxford Children’s Hospital and Vice Master of St Cross College, Oxford. Current research activities include clinical trials of new and improved vaccines for children and adults, surveillance of invasive bacterial diseases and penumococcal vaccine impact in children in Nepal, studies of cellular and humoral immune responses to glycoconjugate and typhoid vaccines, and development of a serogroup B meningococcal vaccine.