News In what could be a ‘big shift’ for cancer treatment, mRNA vaccine shows promise against melanoma April 16, 2023April 17, 2023Karen Weintraub, USA TODAYComments Off on In what could be a ‘big shift’ for cancer treatment, mRNA vaccine shows promise against melanoma An mRNA vaccine from Moderna shows promise at preventing recurrences of melanoma skin cancer, which could mark a turnaround for cancer vaccines.