US Confirms 1st Case of New COVID-19 Strain Found in UK .<br />The first case of the new coronavirus strain, which is thought to be more transmissible, .<br />was confirmed by Colorado <br />health officials on Dec. 29.<br />The infected man, who is in his 20s, is isolating in Elbert County, south of Denver.<br />Colorado Governor <br />Jared Polis issued <br />a statement.<br />There is a lot we don’t know about this new Covid-19 variant, but scientists in the United Kingdom are warning the world that it is significantly more contagious, Colorado Governor Jared Polis, via statement.<br />The health and safety of Coloradans is our top priority and we will closely monitor this case, as well as all COVID-19 indicators, very closely, Colorado Governor Jared Polis, via statement.<br />Though this is the first confirmed case <br />of the coronavirus variant in America, .<br />the CDC says it could already be circulating in the country without notice.<br />Earlier in December, President Trump's COVID-19 vaccine czar, Moncef Slaoui, .<br />said that both the Moderna and Pfizer vaccines should be effective against new strains