The terror of fatal viruses hits home in this riveting documentary program. First, the tragic impacts of the Ebola virus are seen up close as a camera crew ventures inside a tightly guarded quarantine zone. Next, the scientists working diligently to discover treatments─and hopefully a cure─for the AIDS virus share their insights. Then, the looming threat of avian flu is explored with a review of health preparedness around the world. Finally, the first North American citizen identified as a healthy carrier of typhoid fever is profiled. 3 1/2 hrs. total on four discs. Widescreen; Soundtrack: English.