"Hundreds of thousands of doses," of Pfizer’s coronavirus vaccine could be distributed to Americans before the end of the year if found to be safe and effective, CEO Albert Bourla said Sunday.

"Hundreds of thousands of doses," of Pfizer’s coronavirus vaccine could be distributed to Americans before the end of the year if found to be safe and effective, CEO Albert Bourla said Sunday. https://t.co/tRDW6uhwh6

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