As U.S. relations with Cuba thaw, one unexpected byproduct could be the introduction of a Cuban-developed vaccine to fight against cancer. A vaccine in the U.S. Called Cimavax, an innovative vaccine that was developed to help treat lung cancer patients in Cuba, where lung cancer is one of the leading causes of death. The immunotherapy treatment could be coming to the U.S. thanks in part to the Roswell Park Cancer Institute in Buffalo, New York, which is working with Cuba's...

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