World News National Health & Safety Can travel bans prevent the spread of new variants? 4:24pm December 02, 2021 World Health Global Health National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Sports Where does the U.S. Men's Soccer team go after Gregg Berhalter's firing? Arts 'Wild Card': Poet Nikki Giovanni says she doesn't dwell on accolades by Rachel Martin 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate