A sign points to the emergency room at Texas Health Presbyterian Hospital  where Thomas Eric Duncan, the Ebola patient who traveled from Liberia to Dallas,  is being treated Saturday, Oct. 4, 2014, in Dallas.     Duncan remains in isolation, where he was listed in critical condition Saturday. At the end of the week, Texas health officials said they had narrowed to about 50 the group of people they were monitoring who had some exposure to Duncan. (AP Photo/LM Otero)

Hospital: Dallas Ebola patient critical

After hospital officials on Saturday said the condition of the lone Ebola patient diagnosed in the U.S. has worsened, the woman he came to T…

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Connecticut lab working on Ebola vaccine

A company that specializes in vaccine development is working on a vaccine for Ebola, and the work that’s been done so far could be life-savi…