Why use chimps if there are humans that you can get the material from? If chimps were to be used for this purpose, they'd have to grow up in a complete sterile environment since the carry-over of strange virusses and other pathogens is very large since we are so related.



Xenotransplantation is prohibited in the Netherlands for that reason, I'm not sure about the situation in other countries.



For what reason do you say you are appalled, Imparticle?