Peter Vadas

Immunology (Clin.)
Tel: 416-864-5777
Fax: 416-864-3033
Unity Health - St. Michael's Hospital
Clinician Investigator 
Assoc Professor

Dr. Peter Vadas is Head of the Division of Allergy and Clinical Immunology and Medical Director of the Regional Anaphylaxis Clinic at St. Michael’s Hospital, and Associate Professor of Medicine at the University of Toronto. He is Past President of the Anaphylaxis Foundation of Canada, Past Chair of the Anaphylaxis Committee of the American Academy of Allergy, Asthma and Immunology and Past Head, Section of Anaphylaxis and Adverse Reactions of the Canadian Society of Allergy and Clinical Immunology. He serves on the executive of the Allergy Asthma and Immunology Society of Ontario. He had served for over 10 years on the Scientific Advisory Council of the National Peanut Board. Dr. Vadas was an examiner in Allergy and Clinical Immunology for the Royal College of Physicians and Surgeons of Canada and served as head of the Section of Allergy and Clinical Immunology of the Ontario Medical Association. He has published more than 130 scientific articles and over 20 book chapters on allergies and anaphylaxis, including peer-reviewed articles in Nature, Journal of the American Medical Association and the New England Journal of Medicine.

His areas of research include risk factors for severe anaphylaxis, systemic mastocytosis and mast cell activation syndrome and the roles of platelet activating factor and platelet activating factor acetylhydrolase in severe and fatal anaphylaxis.