A THIRD VACCINE DOSE? “I think it’s reasonably likely,” @BillGates tells @NorahODonnell.
— CBS Evening News (@CBSEveningNews) February 17, 2021
He says it’s necessary “to make absolutely sure that as these variants hit the US, they’re not escaping vaccine protection.” https://t.co/lvnCeSuyeN pic.twitter.com/XSOII2tiRs
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