covid-19December 21, 2020 Britain cut adrift as mutant virus strain prompts global alarm Crisis meetings were scheduled in London and Brussels as officials grappled with the new variant, which could be up to 70 percent more infectious. Related posts U.K.'s Johnson launches mass testing…Do you need a Covid-19…What's behind workers' hesitation to…Fully vaccinated people can travel…Younger Latino men are Covid's…Salmonella infections in eight states…Salmonella infections in eight states…The U.S. isn't losing to…Virus-killing robot tested for use…In Covid fight, Cuba touts…