Dr. Anthony Fauci, the United States' top infectious disease expert, said on Friday at a congressional hearing that he was 'cautiously optimistic' that there will be a vaccine for coronavirus by 'end..
Dr. Anthony Fauci, the United States' top infectious disease expert, said on Friday at a congressional hearing that he was 'cautiously optimistic' that there will be a vaccine for the coronavirus by..
Dr. Fauci: COVID-19 May Have Mutated To Be More Infectious
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