A New mRNA Vaccine Could Prevent Skin Cancer From Returning

A New mRNA Vaccine Could Prevent Skin Cancer From Returning: Moderna and Merck say the experimental vaccine prevented the return and spread of the cancer in high-risk melanoma patients. By Carolyn Y. Johnson An experimental mRNA vaccine allowed people with high-risk melanoma to live longer, cancer-free, the pharmaceutical companies Moderna and Merck announced Wednesday. For decades, cancer vaccines have been one of the most tantalizing ideas in cancer treatment —