US requires negative coronavirus test from UK travelers

Photo by Joseph Okpako/Getty Images Anyone flying into the United States from the United Kingdom will have to test negative for COVID-19 within 72 hours before their flight, the Centers for Disease Control and Prevention announced Thursday. The agency cited concerns over a new variant of the coronavirus as the reason for the rule, which goes into effect Monday. The coronavirus, like all viruses, has regularly mutated as it has spread through the population. Most mutations don't make a virus beha...