See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The pig that was used in the first human heart transplant was infected ...

The genetically modified pig whose heart was used in the first human transplant of its kind had a porcine virus that may have played the role in the death of the patient two months later, experts said ...

Researchers trying to learn what killed the first person to receive a heart transplant from a pig have discovered the organ harbored an animal virus but cannot yet say if it played any role in the man ...