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5.05/4/2026

Makes even hard topics easy to grasp.

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About Alexandra

Professor Alexandra Santos MD MSc MRCPCH FHEA PhD serves as Clinical Professor of Paediatric Food Allergy at King's College London and Honorary Consultant in Paediatric Allergy at Evelina London Children’s Hospital, part of Guy's and St Thomas’ NHS Foundation Trust. She obtained her medical degree from the University of Coimbra, Portugal, and completed her PhD in Allergy and Immunology at King’s College London under the supervision of Professor Gideon Lack, focusing on diagnostic markers such as the basophil activation test, IgE, and IgG4 for distinguishing clinical peanut allergy from sensitization. Her academic career encompasses clinical practice in paediatric allergy alongside translational research aimed at improving the precision and safety of food allergy diagnosis, delineating immune mechanisms underlying food allergy and oral tolerance in IgE-sensitized children to pinpoint novel therapeutic targets, and exploring the biological foundations of anxiety associated with food allergy.