President Joe Biden announced a partnership between pharmaceutical giants Merck & Co. and Johnson & Johnson, adding that there would be enough vaccines for every adult in the U.S. by the end of May. | WNT WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/381n4YU 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 #PresidentJoeBiden #JohnsonandJohnson #MerckandCompany