Blood-to-blood transmission, needle stick, no vaccine for it and no cure for it, so you want to be very careful with it. hepatitis can lead to cirrhosis which is the scarring of the liver, liver failure and more important cancer of the liver which is a deadly position to be in, so having this kind of medication, oral medication that's going to help, it's really going to change the way we would practice with liver cancer, et cetera. the number of liver transplants in the future is going to go down. in this particular study that was published in the "new england journal of medicine," 380 patient...