Check the rules of your destination country if you're planning to travel abroad. Nations are adding new rules in response to omicron.

People traveling by air should be extra careful about wearing masks in crowded airports, Fauci said.

“Wear your mask all the time,” Fauci told a Wall Street Journal podcast. “It will be required to wear a mask when you’re on the plane, but don’t get careless in the airport with all the crowds that are in the airport and take your mask off.”