The B.1.1.529 variant was first spotted in Botswana and six cases have been found in South Africa
Scientists have warned that a new Covid variant which carries an “extremely high number” of mutations may drive further waves of disease by evading the body’s immune defences.
The number of cases confirmed by genomic sequencing is very small, with only 10 cases recorded in three countries, but the variant has sparked serious concern among some researchers because a number of the mutations may help the virus evade immunity.
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