Centers for Disease Control and Prevention Director Thomas Frieden Testifies At House Hearing on Ebola [Getty Images]

Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, right, looks on as Thomas Frieden, director of the Centers for Disease Control and Prevention (CDC), speaks during a House Energy and Commerce Committee subcommittee hearing on the U.S. public health response to the Ebola outbreak in Washington, D.C., U.S., on Thursday, Oct. 16, 2014. Hospitals in the U.S. caring for Ebola victims need to appoint a full-time individual who is responsible for overseeing infection control, the director of the Centers for Disease Control and Prevention said today. Photographer: Andrew Harrer/Bloomberg via Getty Images

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