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How fast can coronavirus mutate?

Mutations are natural to every gene on the planet, including those that are part of viruses. In fact, we can study these mutations in the coronavirus genome itself to see whether outbreaks in a single country are related. 

So far, it appears the rate of mutation in coronavirus is  less than half the rate of eight to 10 times per month for influenza. And more specific numbers will come as researchers spend more time studying the virus.

CDC researcher examined flu cultures

It's harder to say how specifically we can use this information. Multiple genetic mutations are required for a virus to evolve into something more virulent or threatening. Current research suggests the two major strains of coronavirus affecting humans differ by just 0.007%. There's no reason to think a vaccine developed for one won't work against the other.

Link til engelsk tekst

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