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A YEAR ago, nobody had even heard of SARS-CoV-2 and the disease it causes, covid-19. Today, they are household names all over the world, thanks in no small part to an unprecedented scientific heave.

“Doing research in an outbreak is really challenging,” says . “But it has moved super quickly. It’s been amazing.”

In just less than 12 months, scientists and medics have filled many of the urgent knowledge gaps, from …