A 57-year-old man, who was the first person to get a heart transplant from a genetically-modified pig , survived for two months and it raised high hopes that advances in cross-species organ donation could probably solve the chronic shortage of human organs available for donation. He performed well for several weeks without showing any signs of rejection. However, post-death, porcine viral DNA was detected in the transplanted heart.

Here is an interesting question for you! Sources: MIT Technology Review, Hindustan Times, Times of India