Professor Emeritius Stephen Durham, former Head of Allergy and Clinical Immunology at National Heart and Lung Institute, Imperial College and Royal Brompton Hospital, London. His research interests include allergic rhinitis, asthma, translational studies of allergen immunotherapy and he has published over 500 peer-reviewed articles on these topics. During this lecture he will give us an overview of current and future aspects of allergen immunotherapy and elaborate on why the future is now.