Is coronavirus really mutating to become more dangerous?

Some scientists suggest changes are making the Covid-19 virus more virulent

A researcher working on the new coronavirus at a laboratory in Belgium
A researcher working on the new coronavirus at a laboratory in Belgium
(Image credit: Kenzo Tribouillard/AFP/Getty)

Scientists have discovered that the new coronavirus has mutated several times - but experts are divided over whether the new variants pose more of a threat.

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