Pfizer announces promising results from early COVID-19 vaccine trials | WNT

The company said it could move to the next phase of trials with 30,000 as early as later this month. WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT': WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: WATCH WORLD NEWS TONIGHT ON HULU: #WorldNewsTonight #Pfizer #COVID19Vaccine


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