Dr. John Sacra , an American missionary doctor , was infected in Liberia . He 's being treated at Omaha 's Nebraska Medical Center . The CDC estimates there have been more than 3,000 cases of Ebola and more than 2,000 deaths since 1976 . He is the third American to return home for treatment .
Dr. John Sacra , an American missionary doctor , was infected in Liberia . He 's being treated at Omaha 's Nebraska Medical Center . He is the third American to return home for treatment .