U.S. bans travel from several southern African countries due to new COVID variant Omicron
The threat from the Omicron variant, the latest strain of the coronavirus, prompted the U.S. to ban travel from countries in southern Africa. Dr. Anthony Fauci says the travel bans will buy the U.S. more time to get prepared. Errol Barnett reports from Dulles International Airport outside Washington, D.C.