Josephus Weeks, left, and his son Josephus Weeks, Jr., nephews of Ebola patient Thomas Eric Duncan, visit with a reporter after seeing their uncle at Texas Health Presbyterian Hospital Tuesday, Oct. 7, 2014, in Dallas. Texas Health Presbyterian Hospital released a statement Tuesday saying Thomas Eric Duncan is on a ventilator and is receiving kidney dialysis. The hospital says his liver function improved after declining over the weekend, but warns that his condition could vary in the coming days.