Pfizer’s Omicron-Targeting Covid-19 Vaccines Generate Stronger Immune Response

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Pfizer Inc. and BioNTech SE vaccines modified to target the Omicron variant produced a significantly larger immune response than the companies’ currently available vaccine in a study, they said.

A modified booster shot targeting Omicron specifically increased neutralizing antibody levels 13.5 to 19.6 times higher than the current shot in study volunteers a month after administration, depending on the dose, the companies said Saturday.

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