The Centers for Disease Control and Prevention is expected to release the guidelines as nearly 96 million people are fully vaccinated. Also, health officials address vaccine hesitancy in the U.S. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3aK8CpA WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #CDC #FaceMasks