Dr. Rick Sacra

The Nebraska doctors treating the Worcester man who became infected with Ebola while working in Liberia say he is making progress, but it's not yet clear if he will recover.

A Massachusetts man who has been diagnosed with Ebola in Liberia decided as a child that he wanted to become a missionary doctor. Dr. Rick Sacra is the third U.S. aid worker sickened with Ebola. Sacra decided to return to Liberia after two others became ill with the deadly virus...