When a dreaded outbreak of the deadly Ebola virus swept through a remote region of Zaire in May 1995, Nova was the only film crew permitted into the "hot zone." Learn how disease specialists traced the origins of the outbreak by compiling a complete "chain of death" of the epidemic, and why they fear a mutation of Ebola will emerge that is even more difficult to contain.
Producer: Ira Singerman
Producer: Tina Chow
Actor: Nova