Mutant virus: should we be worried that Sars-CoV-2 is changing ?

Scientists tracking the virus have uncovered a major mutation, but it may not be as scary as it sounds

Scientists have had eyes on Sars-CoV-2, the virus that causes Covid-19, since the beginning of this pandemic.

They can see it is evolving, but it is happening at a glacial pace compared with two other viruses with pandemic potential: those that cause flu and Aids. That is good news for efforts to develop vaccines and treatments, but scientists remain wary that anything could still happen.

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