The piglets all died within a week of being born, the researchers said.
The medication prevents the child's body from rejecting his kidney transplant.
He suffers from a rare condition called hypoplastic left heart syndrome.
Dialysis for life or a genetically altered pig organ? That may be a choice for transplant patients in the future.
New method scraps ice for a system that mimics the human body, keeping organs vital indefinitely.
U.S. lawmakers want to put an end to the decades-old practice, but doing so will require shifting the society's attitude toward altruistic giving.
Diabetic Sue York found nothing could help her get over her phobia.