
An American Cancer Patient Receives Treatment in Cuba
Clip: Season 47 Episode 5 | 4m 51sVideo has Closed Captions
Cuban lung cancer vaccines offer new hope.
In 2015, doctors diagnosed George Keays with stage 4 lung cancer, which has low survival rates beyond one or two years. Can a vaccine in Cuba help him more than drugs available in the U.S.?
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

An American Cancer Patient Receives Treatment in Cuba
Clip: Season 47 Episode 5 | 4m 51sVideo has Closed Captions
In 2015, doctors diagnosed George Keays with stage 4 lung cancer, which has low survival rates beyond one or two years. Can a vaccine in Cuba help him more than drugs available in the U.S.?
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Learn Moreabout PBS online sponsorshipVideo has Closed Captions
Can Cuba's innovative lung cancer vaccines give new hope to patients across the world? (28s)
How the Immune System Fights Cancer
Video has Closed Captions
The battle begins as soon as healthy cells mutate into cancer cells. (2m 49s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipNational Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.