[Light piano music playing]

[Onscreen visual:
A split screen shows "July 2022" on the left side with a young girl struggling with mobility and scooting on the floor in a sitting position. The right side shows "January 2024" and the same girl is walking past a wall of windows in a hallway]

[Onscreen text:
Two years ago, Delilah Ramirez couldn't walk, but now, thanks to gene therapy, she's making remarkable progress in her development.]

[Onscreen text:
Delilah was born with a rare genetic disease called AADC deficiency.]

[Onscreen visual:
Text with "July 2022" and visual of Delilah being carried to a wheelchair by an adult, then struggling to hold her head up while watching an adult play piano keys in front of her.]

[Onscreen text:
AADC deficiency causes severe developmental delays, muscle weakness and difficulty moving.]

[Onscreen visual:
Text with "July 2022" and visual of. Delilah being read to by an adult, both in a sitting position.]

[Onscreen text:
In July 2022, Delilah underwent gene therapy.]

[Onscreen text:
January 2023

The results have been life changing.]

[Onscreen visual: 
Delilah stands with assistance from an adult, then places blocks into a cup independently. Delilah walks in a physical therapy room while using a mobility device to support some of her weight. Delilah hands a paper to an adult while sitting up straight at a desk.]

[Onscreen text:
January 2024]

[Onscreen visual:
Delilah walks mostly unassisted, with an adult alongside her. She sits at a desk and manipulates a marker to make marks on a paper. She walks again, holding the hand of an adult.]

Offscreen voice, to Delilah:
Very nice.

[Onscreen visual:
Screen is split into three sections, with her sitting on the floor scooting, labeled "July 2022"; her walking with a mobility device, labeled "July 2023"; and her walking while holding an adult's hand, labeled "January 2024."]

[Onscreen text:
The Ohio State University
Wexner Medical Center]