Omicron variant-specific serological imprinting following BA.1 or BA.4/5 bivalent vaccination and previous SARS-CoV-2 infection: A cohort study
Description
CONCLUSIONS: Vaccination and previous infection leave a clear serological imprint that is focused on the variant-specific antigen. Importantly, both bivalent vaccines induce high levels of omicron variant-specific antibodies, suggesting broad cross
