MSNBC Hallie Jackson Reports December 8, 2021 20:47:00
Days as the delta variant has been problematic for the president's goal of getting the masks, vaccination rates up and to ultimately beat this virus, halle. >> thank you. as we talk about the covid, the phonetic, i should say and covid, there are some really big new data out from pfizer today. you probably heard about it. it shows three doses, your first, initial two doses a and the booster. those three shots providing high level of protection against the comb chron variant. i want to bring in associate dean of public health. thank you very much for being with us. good afternoon. >> nice to jo...
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