Alchetron.com on Instagram: "At Children’s Hospital of Philadelphia (CHOP), doctors used innovative gene therapy to treat a young boy born profoundly deaf due to a rare OTOF gene mutation. In a minimally invasive procedure, they delivered a healthy OTOF gene via viral vector directly into his inner ear's cochlea. Just four months later, he’s detecting speech, everyday noises, and even scissors snipping hair—in the treated ear only! This US first proves the therapy works and paves the way for cur