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Fears heavily mutated Covid variant 'may evade vaccine protection' - BBC News
Fears over “worst ever” Covid variant as UK bans flights from southern Africa - BBC News
Emergency testing for South Africa variant widened as fears grow over vaccine resistance - BBC News
World responds to new Omicron Covid variant - BBC News
Do compulsory Covid vaccinations work? - BBC News
Fears that new COVID type could escape vaccines
EU advises border closures over new Covid variant as European case confirmed - BBC News
New Covid variant with high number of mutations found
Experts Say Covid Vaccine Should Protect Against Mutant Strain of Virus in U.K.
The Coronavirus Is Mutating Causing Concern Around the World
COVID-19: What is the new Omicron variant?
Is the new COVID-19 variant "the worst one yet"? | The World
