Ebola’s spread hastens preparations for vaccine testing

Aired: 8/28/2014 | 0:05:36 | Clip
An Ebola vaccine may be ready for human testing as early as next week. Though the vaccine is in its first stage of testing with humanas, it showed favorable results in an infected monkey. Gwen Ifill learns more from Dr. Anthony Fauci of the National Institute of Allergy and Infectious Diseases.