The latest on coronavirus variants 

Tuesday, January 26, 2021 - 4:26pm

Concerns over some new variants of the coronavirus have prompted regions in Europe to restrict travel. The US, too. As places try to limit the spread of the coronavirus, scientists are busy tracking them down to learn more about how they impact vaccines, treatments and the pandemic itself. Host Marco Werman gets an update from The World’s Elana Gordon, who has been following the developments.