Covid-19 variant discovered in UK up to 100% more lethal

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In the UK study, infection with the new variant led to 227 deaths in a sample of 54,906 patients, compared with 141 among the same number infected with other variants

People queue outside a bus modified into a mobile vaccination centre in London, Britain, in this February 14 2021 file photo. Picture: REUTERS/HENRY NICHOLLS

In a study that compared death rates among people in Britain infected with the new SARS-CoV-2 variant — known as B.1.1.7 — against those infected with other variants of the Covid-19-causing virus, scientists said the new variant’s mortality rate was “significantly higher”. It has 23 mutations in its genetic code — a relatively high number — and some of them have made it far more easily spread. Scientists say it is about 40%-70% more transmissible than previous dominant variants that were circulating.

“Coupled with its ability to spread rapidly, this makes B.1.1.7 a threat that should be taken seriously,” said Robert Challen, a researcher at Exeter University who co-led the research.

 

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