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Amsterdam – A worrisome mutation of the coronavirus – E484K – has been found in the Netherlands in an infected person in the Utrecht region. This is a mutation that has already been identified in South Africa, the Amazon region in Brazil and recently in the English variant. Experts call the situation alarming and agree: If this mutation gets the upper hand, the vaccine will need to be modified. Four questions for virologists Bert Niesters and Ab Osterhaus.
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