New push to fast-track cancer vaccines yielding 'amazing' results, expert says

Fox News senior medical analyst Dr. Marc Siegel discusses a new national cancer vaccine program. Siegel explains how the treatment trains the immune system to target specific abnormal proteins in tumors.

Fox News senior medical analyst Dr. Marc Siegel discusses a new national cancer vaccine program. Siegel explains how artificial intelligence is helping scientists design these treatments to train the human immune system to target mutated tumor proteins.