Groundbreaking ‘cure’ for deafness could be on the way after two children born with impaired hearing listen to music for first time thanks to gene therapy

Ground-breaking gene therapy, given as an infusion into the ear, works by replacing faulty DNA which causes a type of inherited deafness known as DFNB9. Ground-breaking gene therapy, given as an infusion into the ear, works by replacing faulty DNA which causes a type of inherited deafness known as DFNB9.