MSNBC The Beat With Ari Melber December 27, 2021 23:05:00
Dose as a part of booster testing. the study will continue despite some warnings that too many shots could actually fatigue your immune system. tests in the u.s. are not in short supply. long lines for waiting to get tested. the more this spreads, the longer lines we'll see. the president said there's 500 million more atmom tests en route. >> it's not enough. clearly not enough. if i had known we would have gone harder, quicker, but we have to do more. we have to be better. >> when it comes to doing it more and better, at least scientifically, we have a one on one exclusive with dr. zeke emanu...