The U.S. will require passengers flying from the U.K. to show proof of a negative test for coronavirus, amid rising concerns over a more-contagious Covid-19 strain that is spreading after first emerging in England.
The U.S. will require passengers flying from the U.K. to show proof of a negative test for coronavirus, amid rising concerns over a more-contagious Covid-19 strain that is spreading after first emerging in England.