American scientist have found new technique to overcome the hindrance of using pig organs for transplanting to human. previous effort have managed only to cut away six areas of the gene at a time. But now team under the guidance of church has modified the genes of pigs and removed the viruses from pig cells and this virus-free organ can be used for transplantation.

Pig-to-human transplants are not strange. At present, pig heart valves that have been scrubbed and depleted of pig cells are commonly used to repair faulty human heart valves.