President Barack Obama hugs Ebola survivor Nina Pham in the Oval Office of the White House in Washington, Friday, Oct. 24, 2014, in Washington. Pham, the first nurse diagnosed with Ebola after treating an infected man at a Dallas hospital is free of the virus. The 26-year-old Pham arrived last week at the NIH Clinical Center. She had been flown there from Texas Health Presbyterian Hospital Dallas. Pham's mother Diana, center, and sister Cathy watch. (AP Photo/Evan Vucci)

Dallas nurse Nina Pham free of Ebola

Nurse Nina Pham said she felt “fortunate and blessed to be standing here today,” as she left the National Institutes of Health’s hospital ou…