Ebola-Q&A

    FILE – This undated file image made available by the CDC shows the Ebola Virus. U.S. health officials
    have warned for months that someone infected with Ebola could unknowingly carry the virus to this
    country, and on Tuesday, Sept. 30, 2014, came word that it had happened: A traveler in a Dallas hospital
    became the first patient diagnosed in the U.S.