A third patient tested positive, but he wasn't in the liver transplant unit. He was at the mao clinic for a cancer treatment that involved transplanting stem cells. And they determined that this patient has hepotitese, and he did not have it before. All three of these patients had been treated in the interventional radiology department at mao clinic. They were able to see which employees were the and there were 21 employees that overlapped with these three patients.