Starting Saturday, non-U.S. travelers who wish to enter the United States via ferry terminals or land ports of entry at the U.S.–Mexico or U.S.–Canada borders must be fully vaccinated against COVID-19 and provide related proof of vaccination, the U.S. Department of Homeland Security (DHS) announced. The land borders had been closed to non-essential travel for 20 months amid the COVID-19 pandemic. Non-essential foreign visitors were allowed to enter the United States starting Nov. 8, 2021—including across land borders and ferry terminals—if they were vaccinated against COVID-19. At the time, essential workers, such as truck drivers and nurses who were crossing land borders, were not required to be vaccinated for COVID-19. The DHS said on Jan. 20 that the update in policy—to apply for both non-essential and essential travelers—”will align public health measures that govern land travel with those that govern incoming international air travel.” “These updated travel requirements reflect the Biden-Harris Administration’s commitment to protecting public health while safely facilitating the cross-border trade and travel that …