KEY POINTS
  • New requirements for all inbound U.S. travelers to show negative Covid test results the day before departure take effect Monday.
  • The measure applies to U.S. citizens, permanent residents, as well as visitors and immigrants.
  • Airlines are waiving some change fees for certain destinations that aren't accepting visitors from abroad.

The rules of international travel are changing — again.

The emergence of the omicron variant of Covid in southern Africa and its detection around the world has sparked a host of new travel requirements and, in some cases, outright bans — further complicating international trips that were just starting to pick up.