Doctors successfully treated a baby with the first ever personalized gene-editing therapy / Scientists give pioneering gene therapy to infant patient / Their 3 kids kept getting sick. A new gene therapy offered hope / Patients with rare CF mutations turn to gene therapy for hope / Boy, 4, receives groundbreaking gene therapy for rare disease / Gene circuits enable more precise control of gene therapy / Scientists achieve breakthrough in gene therapy for haemophilia / 'Life-changing' gene therapy for children born blind / Japan researchers target degenerative eye disease with gene therapy / First gene-editing therapy may cure blood disorder