Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine

Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine

Scientists were critical of the announcement, pointing to evidence that the current two-dose regimen is powerfully effective against the coronavirus.

“There’s really no indication for a third booster or a third dose of an mRNA vaccine, given the variants that we have circulating at this time,” said Dr. Céline Gounder, an infectious disease specialist at Bellevue Hospital Center in New York. “In fact, many of us question whether you will ever need boosters.”

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