FILE - In this Wednesday, March 18, 2020 file photo, truck traffic from Canada waits to cross the border into the United States in Derby Line Vt. The U.S. will reopen its land borders to nonessential travel next month, ending a 19-month freeze due to the COVID-19 pandemic as the country moves to require all international visitors to be vaccinated against the coronavirus. The new rules, to be announced Wednesday, Oct. 13, 2021 will allow fully vaccinated foreign nationals to enter the U.S. regardless of the reason for travel (AP Photo/Wilson Ring, File)