A child, referred to as KJ, is reportedly thriving after receiving a gene editing therapy to treat a rare genetic disease. The treatment, which was the world's first personalized CRISPR gene therapy, was administered to the child, who was an infant at the time, and has shown positive results. The specifics of the child's progress and the timeline of the treatment vary, but the therapy appears to have been successful, with the child taking significant steps forward, including taking their first steps.