MEDIA

ZMapp And The Fight Against Ebola

NEW YORK - JUNE 13: Bob Simon, correspondent for 60 Minutes on the CBS Television Network.  (Photo by John Paul Filo/CBS via
NEW YORK - JUNE 13: Bob Simon, correspondent for 60 Minutes on the CBS Television Network. (Photo by John Paul Filo/CBS via Getty Images)

In his final story for "60 Minutes," Bob Simon reports on the long and complicated development of ZMapp, a promising drug to combat Ebola

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