The CEOs of nine major drugmakers working on COVID-19 vaccines announced they have pledged to make safety and well-being top priority. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': https://bit.ly/3jYmEGn WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://hulu.tv/33iKepm #WorldNewsTonight #COVID19 #Vaccine