Health
Covid-19 variants: Are new mutations more deadly, and will vaccines work against them? – Telegraph.co.uk
There are three new coronavirus ‘variants of concern’. Here our Global Health Security team examine what that means
Are all the new variants the same?
All share a remarkably similar set of mutations in the spike protein of the virus – the part which locks on to human cells – but they are not identical. All have arisen in areas where there have been sharp recent spikes in Covid cases.
Why have they popped up at the same time?
Scientists are not certain. Its speculated that they are the product of common evolutionary pressures. One theory is that patients who have Covid for an extended period enable the virus to…
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