Kathy Seward MacKay lost her husband in 1997 because of tainted blood-clotting products. She’s worried about history ...

Nearly 17 years after having his hands amputated, Luka Krizanac, 29, underwent a bilateral hand transplant at Penn Medicine, ...

The 10-year-old's mom, who was swimming nearby, said: "I could see her hand hanging. And there's blood everywhere." ...