U.S. Rep. Marsha Blackburn, a Tennessee Republican, joined Tevi Troy, former Deputy Secretary of the Department of Health and Human Services, to discuss the wide-ranging issues surrounding Ebola precautions.
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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)