Pfizer/BioNTech's updated COVID shot shows strong response against BQ.1.1 variant

Pfizer/BioNTech's updated COVID shot shows strong response against BQ.1.1 Pfizer Inc and its German partner BioNTech SE said on Friday their Omicron-tailored shot produced higher virus-neutralizing antibodies in older adults against the emerging subvariant BQ.1.1 than its original vaccine. Reuters Reuters

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Antibody levels against the variant rose nearly nine-fold in older adults, aged 55 and above, who received the Omicron shot compared to a roughly 2-fold increase in participants with the original shot, according to data posted on online archive bioRxiv.

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