AdvertisementThe U.S. restricts travel from 8 countries as omicron variant spreadsNovember 29, 2021Tien LefacebookEmailTravelers exit the International Arrivals area at Dulles International Airport in Dulles, Virginia, on Monday. The Biden administration is banning travel for non-U.S. citizens from several African countries over concerns about the omicron variant. (AFP via Getty Images)