SynthesisJournal of medical virology2022
Characterization of the significant decline in humoral immune response six months post-SARS-CoV-2 mRNA vaccination: A systematic review.
Synthesis in Journal of medical virology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
93 citing papers in PubMed, 2 syntheses or guidelines pooled it, 132 citations in OpenAlex.
- A Systematic Review of Ocular Complications Following Different Types of Covid-19 Vaccines.Journal of immunology research · 2025Pooled it
- Characterization of the significant decline in humoral immune response six months post-SARS-CoV-2 mRNA vaccination: A systematic review.Journal of medical virology · 2022Pooled it
- Trial
- Spatiotemporal heterologous vaccination relies on type I interferons at priming to enhance mucosal immunity.EMBO molecular medicine · 2026Article
- Ganoderma lucidum spore powder enhances IFN-α-mediated antiviral capacity of COVID-19 vaccine boosters revealed by single-cell multi-omics sequencing.Journal of advanced research · 2026Article
- Minicircle DNA Vaccines: Overcoming Delivery and Expression Barriers in Next-Generation Immunization.Vaccines · 2026Review
- COVID-19 Vaccine Reactogenicity Marks an Innate Inflammatory Response Associated With HLA Variation and Enhanced Protection.Research square · 2026Article
- Article
- Optimizing mouse models for mRNA vaccines: addressing dose translation challenges.Scientific reports · 2026Article
- CJ-1: an optimized mRNA platform with enhanced protein expression and minimal immunogenicity for therapeutic applications.Gene therapy · 2026Article
- An HLA Association With COVID-19 Vaccine Reactogenicity Correlates With Fewer SARS-CoV-2 Infections and Monocyte Activation.Research square · 2025Article
- Perspective Overview of Changing Population Immunity to COVID-19 in the Context of Infection, Vaccination, and Emerging SARS-CoV-2 Variants.Pathogens (Basel, Switzerland) · 2025Review
- Delayed Cellular Immunity in SARS-CoV-2 Antibody-Non-Responders to COVID-19 Vaccination: Rethinking Post-Vaccine Immune Assessment.Vaccines · 2025Article
- SARS-CoV-2 Antibodies in Response to COVID-19 Vaccination in Underserved Racial/Ethnic Minority People Living with HIV.Vaccines · 2025Article
- The Impact of Vaccination Frequency on COVID-19 Public Health Outcomes: A Model-Based Analysis.Vaccines · 2025Article
- Article
- Negative associations of age and lifestyle factors with the antibody response to the COVID-19 vaccine BNT162b2 in health workers from Spain.Frontiers in immunology · 2025Article
- Natalizumab and fumarate treatment differentially modulate CD4+ T cell and B cell subtypes in multiple sclerosis patients without impacting durable COVID-19 vaccine responses.Frontiers in immunology · 2025Observational
- A 20-month longitudinal study to evaluate humoral and cellular immunity after COVID-19 vaccines.Memorias do Instituto Oswaldo Cruz · 2025Article
- B and T cell responses to the 3rd and 4th dose of the BNT162b2 vaccine in dialysis patients.Human vaccines & immunotherapeutics · 2024Article
33 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors at 5 institutions in 5 countries.
Funding
Abstract
Accumulating evidence shows a progressive decline in the efficacy of coronavirus disease 2019 (COVID-19) (severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2]) messenger RNA (mRNA) vaccines such as Pfizer-BioNTech (mRNA BNT161b2) and Moderna (mRNA-1273) in preventing breakthrough infections due to diminishing humoral immunity over time. Thus, this review characterizes the kinetics of anti-SARS-CoV-2 antibodies after the second dose of a primary cycle of COVID-19 mRNA vaccination. A systematic search of the literature was performed and a total of 18 articles (N = 15 980 participants) were identified and reviewed. The percent difference of means of reported antibody titers was then calculated to determine the decline in humoral response after the peak levels postvaccination. Findings revealed that the peak humoral response was reached at 21-28 days after the second dose, after which serum levels progressively diminished at 4-6-month postvaccination. Additionally, results showed that regardless of age, sex, serostatus, and presence of comorbidities, longitudinal data reporting antibody measurement exhibited a decline of both anti-receptor binding domain immunoglobulin G (IgG) and anti-spike IgG, ranging from 94% to 95% at 90-180 days and 55%-85% at 140-160 days, respectively, after the peak antibody response. This suggests that the rate of antibody decline may be independent of patient-related factors and peak antibody titers but mainly a function of time and antibody class/molecular target. Hence, this study highlights the necessity of more efficient vaccination strategies to provide booster administration in attenuating the effects of waning immunity, especially in the appearance of new variants of concerns.
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What OpenQuestion holds
Registered trials
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 OpenQuestion graph.