新型冠狀病毒

Scientists alarmed at spread of Covid mutant

New strain of virus is 70 per cent more transmissible but seemingly no more deadly after its detection in UK and elsewhere

The highly infectious variant of coronavirus that has emerged in south-east England is spreading rapidly to the rest of the UK and is already present elsewhere in the world, scientists warned on Sunday.

The World Health Organisation said its Evolution Working Group is working closely with the UK medical authorities to understand how the variant, now called B.1.1.7, is likely to affect the course of the pandemic. It has been detected in the Netherlands, Denmark and Australia.

Scientists say two aspects of B.1.1.7 give cause for concern. One is the unprecedented number of mutations it carries. The other is the speed with which it is supplanting other strains of the Sars-Cov-2 virus in south-east England.

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