Two American aid workers, both seriously ill after being infected with the deadly Ebola virus in Liberia, will be flown to the United States and treated in isolation at an Atlanta hospital, officials said on Friday. A plane equipped to transport Dr. Kent Brantly and missionary Nancy Writebol can carry only one patient back at a time, and Christian relief group Samaritan's Purse said it did not know who would return first. Both medical evacuations are due to be completed by early next week, said North Carolina-based Samaritan's Purse, as officials said bringing the stricken aid workers to the United States would not put the American public at risk. The two will be treated at Emory University Hospital primarily by a team of four infectious disease physicians. They will be able to see loved ones through a plate glass window and speak to those outside their rooms by phone or intercom. The patients are aid workers from Samaritan's Purse and missionary group SIM USA who we