Girl, 3, becomes youngest patient to receive groundbreaking treatment

Three-year-old Gunreet Kaur, with her mother Sandeep Kaur (right), who is affected by a life-threatening condition and is the youngest person in the UK to receive a groundbreaking gene therapy - (Family handout)

A three-year-old girl has become the youngest patient in the UK to receive a groundbreaking gene therapy for a rare, life-threatening inherited condition.

Gunreet Kaur, from Hayes in west London, underwent the pioneering treatment for aromatic l-amino acid decarboxylase (AADC) deficiency, a disorder that severely impacts children’s physical, mental, and behavioural development.