The Covid-19 shot may have further-reaching benefits than previously thought, as mRNA vaccines appear to help increase the effectiveness of immunotherapy in cancer patients. Widespread use of the vaccine could lead to better medical outcomes for thousands, while still being low-cost and easily accessible.

A jab at cancer treatment

Covid-19 mRNA vaccines could help boost the immune system to fight off cancer , according to a study published in the journal Nature . The study looked at the clinical outcomes for over 1,000 patients with late-stage melanoma or lung cancer who were treated with a form of immunotherapy called immune checkpoint inhibitors. This is a “common approach doctors use to train the immune system to kill cancer” by “blocking a protein that tumor cells make to t

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