covid-19December 21, 2020 Latest on coronavirus stimulus package and new strain found Countries around the world were shutting their doors to Great Britain after a possibly more infectious strain of the coronavirus was detected. 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…