CNN New Day With John Berman and Brianna Keilar December 22, 2021 11:09:00
Symptomatic. we're reviewing that science right now. >> reporter: erica, this is being renewed. we can expect to hear more in the coming days and weeks. >> we'll be watching that. i know you will bring it to us as soon as you hear it. jacqueline, thank you. now dr. chris pernell. on top of everything else, israel is recommending people older than 6 0rbgs also medical workers and the immow compromised, receive a fourth shot, a booster after the booster. do you think that's something the united states should consider? >> i don't know that we have the science yet to support a fourth dose. i thi...
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