Additional Study Information: In this study, patients who are listed for a kidney or a liver transplant may be eligible for enrollment, asdetermined by their transplant doctors. The study is looking at patients who do not have hepatitis C virus (HCV) and provide their informed consent to receive a liver or kidney from a HCV positive donor. FDA approved medications that are used to treat HCV will be given to the study subjects shortly aftertransplant to protect them from developing the problems HCV can cause to the liver. This research study is being done to learn whether organ transplantation of livers and kidneys from donors who have HCV is safe and effective in recipients that do not have HCV.