Pfizer, BioNTech Say Omicron Shot Offers More Protection Than Original Vax

By Lia DeGroot / November 4, 2022 at 6:40 PM

Updated phase 2/3 trial data from Pfizer and BioNTech show that adults who received the companies’ bivalent booster had four times higher protection against the Omicron variant and its sublineages than they did after receiving the original COVID-19 vaccine booster, Pfizer and BioNTech announced Friday (Nov. 4).



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