Covid vaccine scientists win Nobel: BBC News Review

The scientists whose research made some of the Covid

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vaccines possible have won the Nobel prize for medicine. Katalin Kariko and Drew Weissman's research means that something called mRNA can be used to make vaccinations. Kariko had previously been criticised by fellow academics who felt that her approach would not work. (Images Jonathan Nackstrand/AFP: Mandel Ngan/AFP. Mark Makela via Getty)