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What we do and don’t know about new Covid mutations

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What we do and don’t know about new Covid mutations

  by Amélie BOTTOLLIER-DEPOIS Agence France Presse PARIS, France (AFP) — The emergence in Britain and South Africa of two new variants of Sars-CoV-2, which are potentially far more infectious versions of the virus, has prompted widespread concern. Here is what we know — and what we don’t — about the mutations. – What are they? All viruses mutate when they replicate in order to adapt to their environment. Scientists have tracked multiple mutations of […]