Fauci 'Cautiously Optimistic' U.S. Will Have Safe And Effective Vaccine | NBC News NOW

Dr. Mati Hlatshwayo Davis details the steps needed for the U.S. vaccine trials to deliver a potential coronavirus vaccine by the end of the year and explains why Dr. Anthony Fauci said he was “cautiously optimistic” about the vaccine in his testimony on the hill.
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Fauci 'Cautiously Optimistic' U.S. Will Have Safe And Effective Vaccine | NBC News NOW

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