Book excerpt: Hot Topics in Infection and Immunity in Children brings together leading experts in the field to provide a current and authoritative view concerning the hottest topics of concern to clinicians caring for children with infections and research scientists working in the areas of infectious disease, immunology, microbiology and public health. The book is based on a collection of manuscripts from a faculty of authors of international standing who contributed to a course in Paediatric Infection and Immunity in Oxford, UK in June 2003.