COVID-19 antibodies disappear within a specific timeframe
the verdict
SUPPORTED
the evidence backs this
confidence 78/100
Multiple studies demonstrate that COVID-19 antibodies wane over predictable timeframes following infection or vaccination, typically declining significantly within several months.
Evidence for · 3
Temporal dynamics of SARS-CoV-2 antibodies and IgG subclasses following multiple doses and diverse COVID-19 vaccine combinations.
2025 · cited by 2
The study demonstrates that COVID-19 antibody levels consistently decline six months post-vaccination across various vaccine platforms and regimens.
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More for · 2
NVX-CoV2372, monovalent mRNA and bivalent mRNA vaccines elicit broadly cross-reactive antibodies against emerging SARS-CoV-2 variants.
2026 · cited by 0
The trial shows that antibody neutralization levels against SARS-CoV-2 variants wane significantly over a 12-month period following vaccination.
Modeling of antibody waning after heterologous boosting with Ad5-nCoV in individuals primed with two-dose CoronaVac previously.
2026 · cited by 0
The research utilizes longitudinal serological data to specifically model the kinetics and decay rates of neutralizing antibodies following vaccination or boosting.