Dr. Peter Hotez explains why the spread of the delta coronavirus variant has forced the threshold to achieve herd immunity much higher in the U.S.
Dr. Peter Hotez warned that rapid spread of the delta coronavirus variant has forced the threshold for the amount of Americans requiring vaccination in order to achieve herd immunity much higher.
"We're now realizing with the variant that's this transmissible, that we have to get to 85%, maybe, as, 90% of the country vaccinated," said Hotez, co-director of the Center for Vaccine Development at Texas Children's Hospital. "That's not 85%, 90% of the adults, that's 85-90% of the country which means all of the adults and all of the adolescents, if we're really going to get past this, and this is why he's giving these extended time frames before we get out of Covid-19."
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