[weaver_youtube ybRgSy9dck4 rel=0] PHILADELPHIA — Doctors at Penn Medicine and Children’s Hospital of Philadelphia have successfully performed the world’s first pediatric double hand transplant. Zion Harvey, 8, was the recipient. Doctors had to amputate both of Zion’s hands, as well as his feet, at age two to save him from a life-threatening infection. He hasn’t …read more.