New gene therapy saved boy’s hearing | CNN

The first-ever gene therapy for hearing loss was just approved by the FDA. CNN’s Meg Tirrell speaks to a mom whose son received the treatment a year ago and is now experiencing a whole new world of sound.

The first-ever gene therapy for hearing loss was just approved by the FDA. CNN’s Meg Tirrell speaks to a mom whose son received the treatment a year ago and is now experiencing a whole new world of sound.