Moderna and Merck's cancer vaccine: How does it work?

Drugmakers Moderna and Merck have scored a breakthrough with a personalised cancer vaccine that doctors hope could eventually work against many types of cancers. The companies said their vaccine helped prevent the recurrence and spread of melanoma – the deadliest form of skin cancer. Moderna expects thousands of melanoma patients could benefit within the first few years of the treatment being approved. Brandon Wainwright, a professor at The University of Queensland’s Institute for Molecular Bioscience, tells CNA's Asia Now he has “enormous optimism” about the technology and discusses its potential to target other cancers.

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