A view of the emergency entrance at the Nebraska Medical Center Biocontainment Unit in Omaha
A view of the emergency entrance at the Nebraska Medical Center Biocontainment Unit in Omaha, Nebraska, November 15, 2014. Dr. Martin Salia, a Sierra Leonean surgeon who is critically ill with Ebola, was flown to the United States from West Africa on Saturday and was transported to the medical center for treatment, hospital officials said. Salia, 44, a permanent U.S. resident, caught Ebola working as a surgeon in a Freetown hospital, according to his family.REUTERS/Brian C. Frank (UNITED STATES - Tags: HEALTH)