Cancer vaccine helped keep melanoma under control for years in small study – Livescience.com

A personalized “cancer vaccine” may help keep a deadly form of skin cancer from growing for years, a small new study in humans suggests.
Unlike vaccines
that prevent infections, such as measles and influenza, cancer vaccines are a form of immunotherapy
that take down cancer cells that already exist. The vaccines train immune
cells, called T cells, to better recognize cancer and target it for destruction, while sparing healthy cells in the body. 
For example, the new experimental vaccine works…

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