Antibody Response to Omicron BA.4–BA.5 Bivalent Booster | New England Journal of Medicine
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Immunogenicity of BA.5 Bivalent mRNA Vaccine Boosters | 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 …

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 …

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 …

BNT162b2-vaccinated individuals after Omicron BA. 1 breakthrough infection have strong
serum-neutralizing activity against Omicron BA. 1, BA. 2, and previous SARS-CoV-2 variants …

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) …

Abstract SARS-CoV-2 Omicron BA. 1 and BA. 2 subvariants are genetically divergent. We
conducted a matched, test-negative, case-control study to estimate duration of protection of …

Studies have reported reduced natural SARS-CoV-2 infection-and vaccine-induced
neutralization against omicron BA. 4/BA. 5 compared with earlier omicron subvariants. This …