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they ve seen so far. so what do we know about the new variant? well it is early days ? the new variant was discovered just 3 days ago genetic analysis shows it has twice the number of mutations as delta, the dominant variant worldwide, including around 30 changes to the spike protein which the virus uses to break into human cells. this makes it dramatically different from the original wuhan strain on which all current vaccines are based. crucially there is no evidence yet that the variant causes more severe disease or that it makes vaccines less effective. it will take two to three weeks before laboratory tests can show whether this is another defining moment in the pandemic or a false alarm. the uk government are taking no chances it s announced that flights from six african nations are set to be suspended and anyone arriving from these countries will need to go into quarantine from sunday. from what we do know there s a significant number of mutations, perhaps double the
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