A man walks by security personnel at a patient's entrance of the National Institutes of Health in Bethesda, Maryland October 16, 2014. Nina Pham, the first Texas nurse to be diagnosed with Ebola after treating a Liberian man at a Dallas hospital, is being moved to the National Institutes of Health outside Washington, the agency said on Thursday. Pham, who was being cared for at Texas Health Presbyterian Hospital, will be transferred to an isolation unit at Bethesda, Maryland-based NIH on Thursday evening, NIH's Dr. Anthony Fauci told lawmakers at a congressional hearing on the handling of the virus in the United States. REUTERS/Gary Cameron (UNITED STATES - Tags: HEALTH POLITICS)