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An attention-grabbing learn from NPR on the branching evolution of the virus.
In truth, the SARS-CoV-2 household tree appeared a bit boring, like a younger sapling tree with one principal trunk rising up into the sky and some tiny little branches.
Then in December 2020, the course of the pandemic shifted. And Luban and Gupta proved prophetic.
Scientists in South Africa and the U.Ok. detected the primary two variants of concern: alpha and beta. Rapidly, the virus started to alter quickly. As a substitute of getting only some mutations as earlier variants did, these variants had round 20 mutations every.
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