MSNBC Yasmin Vossoughian Reports November 28, 2021 21:18:00
Vaccines target. this strain could have some 30 mutations alone. we have more from tampa, florida, on this. tell us more about this highly mutated strain of covid especially as parts of the u.s. are already seeing cases surge. >> yasmin, you talked about it. you talked about the potential there, according to health experts for these multiple mutations. that is the fear w the mutation has the vaccines that we currently have in existence right now may not be as effective. again, there is no eviden...
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