Merck and Moderna say cancer vaccine shows promise in preventing recurrence of melanoma

NBC News•Wed, Aug 19, 2026, 01:15 PM•2 min read

Pharmaceutical giants Moderna and Merck said that an experimental vaccine treatment has shown signs of preventing skin cancer from returning or spreading in a study of melanoma patients.

Source: [NBC News](https://www.nbcnews.com/health/health-news/merck-moderna-say-melanoma-vaccine-promise-prevent-recurrence-cancer-rcna593316)

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