Glioblastomas are an extremely aggressive type of brain tumor, which is why this week’s news of a vaccine that has shown promise in fighting them is so exciting. And this comes on the heels of the announcement of another trial of the world’s first custom mRNA vaccine for melanoma, a type of skin cancer. Ian Semple talks to Prof Alan Melcher from the Institute of Cancer Research about how these vaccines work and whether they could one day be used to target cancer before it’s even detected in a scan
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