Ever wondered how we know the Flu vaccine is safe in pregnancy? Expert Guest: Professor Paul Heath   Paul Heath is a Professor and Honorary Consultant in Paediatric Infectious Diseases at St George's University Hospitals NHS Foundation Trust and St George’s, University of London, where he is the Director of the Vaccine Institute. His training in paediatrics and infectious diseases was at the Royal Children’s Hospital, Melbourne, Australia; the John Radcliffe Hospital, Oxford; and St George’s Hospital, London. His research interests are in the epidemiology of vaccine preventable diseases, in clinical vaccine trials, particularly in at-risk groups and in perinatal infections. He coordinates the UK Paediatric Vaccine Group (UKPVG), is a member of the JCVI, is the NIHR Speciality Lead for Children’s research for South London and is co-Chair of the UK Infectious Diseases Vaccine Research Forum.This episodes focuses on the safety of the Influenza vaccine in pregnancy and infants. Exploring the evidence for safety and the history behind vaccination safety. We hope to give mums-to-be clear advice and understanding on this topic.