WASHINGTON, DC - OCTOBER 16: (L-R) Director of the Centers for Disease Control and Prevention Dr. Thomas Frieden, Director of the National Institute of Allergy and Infectious Diseases Dr. Anthony Fauci, Director of the Biomedical Advanced Research and Development Authority of the Office of the Assistant Secretary for Preparedness and Response Dr. Robin Robinson, and U.S. Food and Drug Administration Counterterrorism Policy Assistant Commissioner Dr. Luciana Borio testify during a hearing on Ebola before the Oversight and Investigations Subcommittee of the House Energy and Commerce Committee October 16, 2014 on Capitol Hill in Washington, DC. Health officials faced tough questions at the hearing examining the nation's response to the Ebola outbreak after a second nurse who cared for Ebola patient Thomas Eric Duncan in Dallas traveled on a commercial flight while she was carrying the Ebola virus. (Photo by Alex Wong/Getty Images)
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