Can antibodies predict COVID-19 comebacks? large study says yes

NCT ID NCT05365750

First seen Nov 01, 2025 · Last updated May 14, 2026 · Updated 19 times

Summary

This study followed over 4,200 Kaiser Permanente Colorado members for 9 months to track COVID-19 antibodies and see how often people got reinfected. Researchers measured antibody levels and used PCR tests to find new infections, even mild ones. The goal was to learn if antibody levels can predict who is at higher risk for a second COVID-19 infection.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Kaiser Permanente

    Aurora, Colorado, 80014, United States

Conditions

Explore the condition pages connected to this study.