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S9:E4 - The Hunt for the Legion Killer

The Hunt for the Legion Killer

S9:E4
1982 IMDb

One of the biggest investigations in medical history began when a mysterious killer disease broke out during independence celebrations in Philadelphia in 1976: Legionnaires' disease. NOVA traces the search for a cause and cure—a search bedeviled by false trails, accusations of incompetence and cover-up, and increasing urgency as the death toll mounted.

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