Immunogenicity of BA.5 Bivalent mRNA Vaccine Boosters | New England Journal of Medicine
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Antibody Response to Omicron BA.4–BA.5 Bivalent Booster | New England Journal of Medicine
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The newly emerged severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Omicron sublineages, including the BA. 2-derived BA. 2.75. 2 and the BA. 5-derived BQ. 1.1 …

Immunity against Omicron Variants after Vaccine Boost After a third (booster) dose of SARS-
CoV-2 vaccine, immunity waned more slowly than after two doses and even more slowly in …

This ongoing, open-label, phase 2/3 trial compared the safety and immunogenicity of the
Omicron BA. 4/BA. 5-containing bivalent mRNA-1273.222 vaccine with the ancestral Wuhan …

Background Maintaining durable immunity following vaccination represents a major
challenge, but whether mRNA booster vaccination improves durability is unknown. Methods …

We report SARS-CoV-2 neutralizing antibody titers in sera of triple-vaccinated individuals
who received a booster dose of an original monovalent or a bivalent BA. 1-or BA. 4/BA. 5 …

In this study of vaccine effectiveness of the US-authorized bivalent mRNA booster
formulations, bivalent boosters provided significant additional protection against …

This cohort study evaluated the protection against symptomatic Omicron BA. 5 infection
conferred by the Pfizer-BioNTech Original/BA. 4-5 bivalent vaccine compared to mRNA …

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants
in the Omicron lineage has resulted in diminished Coronavirus Disease 2019 (COVID-19) …