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Neutralizing Activity against BQ.1.1, BN.1, and XBB.1 in Bivalent COVID-19 Vaccine Recipients: Comparison by the Types of Prior Infection and Vaccine Formulations

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dc.contributor.authorHyun, HJ-
dc.contributor.authorChoi, MJ-
dc.contributor.authorNham, E-
dc.contributor.authorSeong, H-
dc.contributor.authorYoon, JG-
dc.contributor.authorNoh, JY-
dc.contributor.authorCheong, HJ-
dc.contributor.authorKim, WJ-
dc.contributor.authorYoon, SK-
dc.contributor.authorPark, SJ-
dc.contributor.authorGwak, WS-
dc.contributor.authorLee, JW-
dc.contributor.authorKim, BG-
dc.contributor.authorSong, JY-
dc.date.accessioned2023-10-24T07:46:19Z-
dc.date.available2023-10-24T07:46:19Z-
dc.date.issued2023-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/26429-
dc.description.abstractBivalent COVID-19 vaccines that contain BA.1 or BA.4/BA.5 have been introduced worldwide in response to pandemic waves of Omicron subvariants. This prospective cohort study was aimed to compare neutralizing antibodies (Nabs) against Omicron subvariants (BA.1, BA.5, BQ.1.1, BN.1, and XBB.1) before and 3–4 weeks after bivalent booster by the types of SARS-CoV-2 variants in prior infections and bivalent vaccine formulations. A total of 21 participants were included. Prior BA.1/BA.2-infected, and BA.5-infected participants showed significantly higher geometric mean titers of Nab compared to SARS-CoV-2-non-infected participants after bivalent booster (BA.1, 8156 vs. 4861 vs. 1636; BA.5, 6515 vs. 4861 vs. 915; BQ.1.1, 697 vs. 628 vs. 115; BN.1, 1402 vs. 1289 vs. 490; XBB.1, 434 vs. 355 vs. 144). When compared by bivalent vaccine formulations, Nab titers against studied subvariants after bivalent booster did not differ between BA.1 and BA.4/BA.5 bivalent vaccine (BA.1, 4886 vs. 5285; BA.5, 3320 vs. 4118; BQ.1.1, 311 vs. 572; BN.1, 1028 vs. 1095; XBB.1, 262 vs. 362). Both BA.1 and BA.4/BA.5 bivalent vaccines are immunogenic and provide enhanced neutralizing activities against Omicron subvariants. However, even after the bivalent booster, neutralizing activities against the later Omicron strains (BQ.1.1, BN.1, and XBB.1) would be insufficient to provide protection.-
dc.language.isoen-
dc.titleNeutralizing Activity against BQ.1.1, BN.1, and XBB.1 in Bivalent COVID-19 Vaccine Recipients: Comparison by the Types of Prior Infection and Vaccine Formulations-
dc.typeArticle-
dc.identifier.pmid37631890-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC10458764-
dc.subject.keywordbivalent vaccine-
dc.subject.keywordneutralizing antibody-
dc.subject.keywordOmicron-
dc.subject.keywordreactogenicity-
dc.subject.keywordSARS-CoV-2-
dc.contributor.affiliatedAuthorHyun, HJ-
dc.type.localJournal Papers-
dc.identifier.doi10.3390/vaccines11081320-
dc.citation.titleVaccines-
dc.citation.volume11-
dc.citation.number8-
dc.citation.date2023-
dc.citation.startPage1320-
dc.citation.endPage1320-
dc.identifier.bibliographicCitationVaccines, 11(8). : 1320-1320, 2023-
dc.identifier.eissn2076-393X-
dc.relation.journalidJ02076393X-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Infectious Diseases
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