ArticleEBioMedicine2024
Durability of immunity and clinical protection in nursing home residents following bivalent SARS-CoV-2 vaccination.
Article in EBioMedicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Comparative immunogenicity of mRNA-1273 and BNT162b2 SARS-CoV-2 bivalent booster vaccines in US nursing home residents.Human vaccines & immunotherapeutics · 2026Article
- AI-driven big data analysis and predictive modeling of infectious disease immunity: from correlates to causal, multiscale understanding.Archives of microbiology · 2026Review
- Article
- Real-World Effectiveness of Boosting Against Omicron Hospitalization in Older Adults, Stratified by Frailty.Vaccines · 2025Article
- Dynamics of SARS-CoV-2 IgG in Nursing Home Residents in Belgium Throughout Three BNT162b2 Vaccination Rounds: 19-Month Follow-Up.Vaccines · 2025Article
- High SARS-CoV-2 antibody levels after three consecutive BNT162b2 booster vaccine doses in nursing home residents.Immunity & ageing : I & A · 2025Article
- Predicting COVID-19 booster immunogenicity against future SARS-CoV-2 variants and the benefits of vaccine updates.Nature communications · 2024Article
- Neutralization and binding antibody response to second bivalent COVID-19 vaccination in nursing home residents.Journal of the American Geriatrics Society · 2023Article
- Comparative Effectiveness of Bivalent (Original/Omicron BA.4/BA.5) COVID-19 Vaccines in Adults.Vaccines · 2023Article
Corrections and comments
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16 authors.
Funding
Abstract
backgroundBivalent SARS-CoV-2 vaccines were developed to counter increasing susceptibility to emerging SARS-CoV-2 variants. We evaluated the durability of immunity and protection following first bivalent vaccination among nursing home residents.
methodsWe evaluated anti-spike and neutralization titers from blood in 653 community nursing home residents before and after each monovalent booster, and a bivalent vaccine. Concurrent clinical outcomes were evaluated using electronic health record data from a separate cohort of 3783 residents of Veterans Affairs (VA) nursing homes who had received at least the primary series monovalent vaccination. Using target trial emulation, we compared VA residents who did and did not receive the bivalent vaccine to measure vaccine effectiveness against infection, hospitalization, and death.
findingsIn the community cohort, Omicron BA.5 neutralization activity rose after each monovalent and bivalent booster vaccination regardless of prior infection history. Titers declined over time but six months post-bivalent vaccination, BA.5 neutralization persisted at detectable levels in 75% of infection-naive and 98% of prior-infected individuals. In the VA nursing home cohort, bivalent vaccine added effectiveness to monovalent booster vaccination by 18.5% for infection (95% confidence interval (CI) -5.6, 34.0%), and 29.2% for hospitalization or death (95% CI -14.2, 56.2%) over five months.
interpretationThe level of protection declined after bivalent vaccination over a 6 month period and may open a window of added vulnerability before the next updated vaccine becomes available, suggesting a subset of nursing home residents may benefit from an additional vaccination booster.
fundingCDC, NIH, VHA.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.