How cells were edited and returned

Not long ago, Ty Sperle was living with a rare genetic disease called chronic granulomatous disease that impacted his immune system. Now he’s the first person in the world to be cured of the disease thanks to a cutting edge technique called prime editing. Ty tells us about how the treatment has changed his life and his doctor Dr. Stuart Turvey breaks down what this historic success means for treating other similar diseases.