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Is Herd Immunity for COVID Even Possible?

About half of Americans report receiving at least one COVID-19 vaccine, but will that be enough to attain herd immunity? "Track the Vax" host Serena Marshall asked Dr. Tom Frieden, former CDC director under President Obama and current president and CEO of Resolve to Save Lives that very question. “Unfortunately, what we're seeing in the U.S. is some pockets, demographic, geographic, even ideological, which are getting much less vaccination coverage. And in those pockets, we're likely to...