Hye Won Jeong, Rare Rollon, Se-Mi Kim, Juryeon Gil, Mark Anthony Casel, Hyunwoo Jang, Jeong Ho Choi, Seung-Gyu Jang, Josea Carmel Lazarte, Hee-Sung Kim, Jun Hyoung Kim, Young Ki Choi
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This study aimed to compare serum cross-neutralizing antibody responses against various SARS-CoV-2 Omicron sublineages (BA.1, BA.5, XBB.1.17.1, FK.1.1, and JN.1) in recipients of monovalent COVID-19 boosters, bivalent booster recipients, and individuals who had recovered from Omicron BA.5 infections.</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>We conducted a micro-neutralization assay on serum samples from monovalent BNT162b2 booster recipients (<i>N</i> = 54), bivalent BNT162b2 booster recipients (<i>N</i> = 24), and SARS-CoV-2 Omicron BA.5-recovered individuals (<i>N</i> = 13). The history of SARS-CoV-2 Omicron infection was assessed using ELISA against the SARS-CoV-2 NP protein.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Bivalent booster recipients exhibited significantly enhanced neutralization efficacy against Omicron sublineages compared to those who had received monovalent booster vaccinations. Omicron BA.5-recovered individuals displayed similar neutralizing antibodies (NAbs) to the bivalent booster recipients. Despite the improved neutralization in bivalent recipients and BA.5-recovered individuals, there were limitations in neutralization against the recently emerged Omicron subvariants: XBB.1.17.1 FK.1.1, and JN.1. In both monovalent and bivalent booster recipients, a history of Omicron breakthrough infection was associated with relatively higher geometric mean titers of NAbs against Omicron BA.1, BA.5, and XBB.1.17.1 variants.</p>\n </section>\n \n <section>\n \n <h3> Conclusion</h3>\n \n <p>This study underscores the intricate interplay between vaccination strategies, immune imprinting, and the dynamic landscape of SARS-CoV-2 variants. Although bivalent boosters enhance neutralization, addressing the challenge of emerging sublineages like XBB.1.17.1, FK.1.1, and JN.1 may necessitate the development of tailored vaccines, underscoring the need for ongoing adaptation to effectively combat this highly mutable virus.</p>\n </section>\n </div>","PeriodicalId":13544,"journal":{"name":"Influenza and Other Respiratory Viruses","volume":"18 10","pages":""},"PeriodicalIF":4.3000,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11459205/pdf/","citationCount":"0","resultStr":"{\"title\":\"Enhancing Omicron Sublineage Neutralization: Insights From Bivalent and Monovalent COVID-19 Booster Vaccines and Recent SARS-CoV-2 Omicron Variant Infections\",\"authors\":\"Hye Won Jeong, Rare Rollon, Se-Mi Kim, Juryeon Gil, Mark Anthony Casel, Hyunwoo Jang, Jeong Ho Choi, Seung-Gyu Jang, Josea Carmel Lazarte, Hee-Sung Kim, Jun Hyoung Kim, Young Ki Choi\",\"doi\":\"10.1111/irv.70000\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Background</h3>\\n \\n <p>Omicron variants have rapidly diversified into sublineages with mutations that enhance immune evasion, posing challenges for vaccination and antibody responses. This study aimed to compare serum cross-neutralizing antibody responses against various SARS-CoV-2 Omicron sublineages (BA.1, BA.5, XBB.1.17.1, FK.1.1, and JN.1) in recipients of monovalent COVID-19 boosters, bivalent booster recipients, and individuals who had recovered from Omicron BA.5 infections.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Methods</h3>\\n \\n <p>We conducted a micro-neutralization assay on serum samples from monovalent BNT162b2 booster recipients (<i>N</i> = 54), bivalent BNT162b2 booster recipients (<i>N</i> = 24), and SARS-CoV-2 Omicron BA.5-recovered individuals (<i>N</i> = 13). The history of SARS-CoV-2 Omicron infection was assessed using ELISA against the SARS-CoV-2 NP protein.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>Bivalent booster recipients exhibited significantly enhanced neutralization efficacy against Omicron sublineages compared to those who had received monovalent booster vaccinations. Omicron BA.5-recovered individuals displayed similar neutralizing antibodies (NAbs) to the bivalent booster recipients. Despite the improved neutralization in bivalent recipients and BA.5-recovered individuals, there were limitations in neutralization against the recently emerged Omicron subvariants: XBB.1.17.1 FK.1.1, and JN.1. In both monovalent and bivalent booster recipients, a history of Omicron breakthrough infection was associated with relatively higher geometric mean titers of NAbs against Omicron BA.1, BA.5, and XBB.1.17.1 variants.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusion</h3>\\n \\n <p>This study underscores the intricate interplay between vaccination strategies, immune imprinting, and the dynamic landscape of SARS-CoV-2 variants. Although bivalent boosters enhance neutralization, addressing the challenge of emerging sublineages like XBB.1.17.1, FK.1.1, and JN.1 may necessitate the development of tailored vaccines, underscoring the need for ongoing adaptation to effectively combat this highly mutable virus.</p>\\n </section>\\n </div>\",\"PeriodicalId\":13544,\"journal\":{\"name\":\"Influenza and Other Respiratory Viruses\",\"volume\":\"18 10\",\"pages\":\"\"},\"PeriodicalIF\":4.3000,\"publicationDate\":\"2024-10-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11459205/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Influenza and Other Respiratory Viruses\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/irv.70000\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"INFECTIOUS DISEASES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Influenza and Other Respiratory Viruses","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/irv.70000","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
Enhancing Omicron Sublineage Neutralization: Insights From Bivalent and Monovalent COVID-19 Booster Vaccines and Recent SARS-CoV-2 Omicron Variant Infections
Background
Omicron variants have rapidly diversified into sublineages with mutations that enhance immune evasion, posing challenges for vaccination and antibody responses. This study aimed to compare serum cross-neutralizing antibody responses against various SARS-CoV-2 Omicron sublineages (BA.1, BA.5, XBB.1.17.1, FK.1.1, and JN.1) in recipients of monovalent COVID-19 boosters, bivalent booster recipients, and individuals who had recovered from Omicron BA.5 infections.
Methods
We conducted a micro-neutralization assay on serum samples from monovalent BNT162b2 booster recipients (N = 54), bivalent BNT162b2 booster recipients (N = 24), and SARS-CoV-2 Omicron BA.5-recovered individuals (N = 13). The history of SARS-CoV-2 Omicron infection was assessed using ELISA against the SARS-CoV-2 NP protein.
Results
Bivalent booster recipients exhibited significantly enhanced neutralization efficacy against Omicron sublineages compared to those who had received monovalent booster vaccinations. Omicron BA.5-recovered individuals displayed similar neutralizing antibodies (NAbs) to the bivalent booster recipients. Despite the improved neutralization in bivalent recipients and BA.5-recovered individuals, there were limitations in neutralization against the recently emerged Omicron subvariants: XBB.1.17.1 FK.1.1, and JN.1. In both monovalent and bivalent booster recipients, a history of Omicron breakthrough infection was associated with relatively higher geometric mean titers of NAbs against Omicron BA.1, BA.5, and XBB.1.17.1 variants.
Conclusion
This study underscores the intricate interplay between vaccination strategies, immune imprinting, and the dynamic landscape of SARS-CoV-2 variants. Although bivalent boosters enhance neutralization, addressing the challenge of emerging sublineages like XBB.1.17.1, FK.1.1, and JN.1 may necessitate the development of tailored vaccines, underscoring the need for ongoing adaptation to effectively combat this highly mutable virus.
期刊介绍：
Influenza and Other Respiratory Viruses is the official journal of the International Society of Influenza and Other Respiratory Virus Diseases - an independent scientific professional society - dedicated to promoting the prevention, detection, treatment, and control of influenza and other respiratory virus diseases.
Influenza and Other Respiratory Viruses is an Open Access journal. Copyright on any research article published by Influenza and Other Respiratory Viruses is retained by the author(s). Authors grant Wiley a license to publish the article and identify itself as the original publisher. Authors also grant any third party the right to use the article freely as long as its integrity is maintained and its original authors, citation details and publisher are identified.
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