A man receives a nasal swab COVID-19 test at Tom Bradley International Terminal at Los Angeles International Airport (LAX) amid a coronavirus surge in Southern California on December 22, 2020 in Los Angeles, California.Mario Tama | Getty ImagesThree states across the U.S. have now identified cases of the new coronavirus strain in people with no travel history, a sign that the variant could already be spreading unknowingly among Americans.Florida health officials on Thursday announced that they found the state’s first case of Covid-19 with the new, more infectious virus variant. The man, who lives in the county just north of …
