mRNA cancer vaccine succeeded in Phase 3 melanoma trial, Moderna and Merck say

The vaccine reportedly thwarted the cancer's return and spread. https://arstechnica.com/health/2026/08/mrna-cancer-vaccine-succeeded-in-phase-3-melanoma-trial-moderna-and-merck-say/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social