Mutation

Half of the "variants under investigation" and "variants of concern" were first identified in Britain. This could be why.
A really simple guide to the Covid variant that’s got everyone talking.
The research, due to be published on Monday, looked into the E484K mutation of the coronavirus.
Some cases of the South African coronavirus variant in the UK can't be linked to travel.
Matt Hancock urged people in areas where the variant has been found to “take extra special precautions” under lockdown rules.
Political passivity enabled these mutations to occur, which are now threatening to undermine our vaccine strategy, writes Jay Patel.