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'On June 28, 2022, researchers from Pfizer–BioNTech and Moderna presented data on their bivalent vaccines to the FDA’s Vaccines and Related Biological Products Advisory Committee (of which I am a member). The results were underwhelming. Bivalent boosters resulted in levels of neutralizing antibodies against BA.1 that were only 1.5 to 1.75 times as high as those achieved with monovalent boosters.'
@cyrilpedia I always get the next variant before the new vaccine comes out. Guess I shouldn't be pissed about that. :)