Pfizer and BioNTech Announce Omicron-Adapted COVID-19 Vaccine Candidates Demonstrate High Immune Response Against Omicron
Omicron-adapted monovalent candidate given as a fourth booster dose elicited a 13.5 and 19.6-fold increase in neutralizing geometric titers against Omicron BA.1 at 30 µg and 60 µg dose levels; bivalent vaccine candidate exhibited a 9.1 and 10.9-fold increase against Omicron Geometric mean ratios for Omicron neutralizing antibody response consistent with regulatory requirement of superiority … [Read more…]