Black Death Speeches & Audio

Legionnaire's Disease Mystery

(2) tv-pg

Legionnaire's Disease Mystery

(2 min) tv-pg

In late July 1976, a pneumonia-like illness began killing people who had attended an American Legion convention at the Bellevue Stratford Hotel in Philadelphia one week earlier. As scientists are on the verge of a breakthrough in determining the cause, CBS News provides an update on the mysterious killer.