Elderly immune response to COVID-19 under the microscope

NCT ID NCT04563650

First seen Jun 20, 2026 · Last updated Jun 20, 2026

Summary

This study looks at how long COVID-19 neutralizing antibodies stay in the blood of elderly nursing home residents. Researchers will take blood samples from 98 participants to measure antibody levels over time. The goal is to understand how aging affects the immune response to COVID-19 and future vaccines.

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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

  • CHU Amiens

    Amiens, 80480, France

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this study could help tailor COVID-19 vaccination strategies for older adults by revealing how their immune system responds.

What could go wrong

This is an observational study with no treatment being tested, so it won't directly lead to a new therapy. Results may not apply to all elderly populations.

Conditions

The condition(s) this trial relates to.

COVID-19 HIV Seropositivity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.