French hospital staff antibody study reveals infection patterns

NCT ID NCT04481529

Completed Knowledge-focused Sponsor: University Hospital, Limoges Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested over 1,500 hospital workers in four French hospitals for COVID-19 antibodies to see how many had been infected. Researchers compared infection rates among staff in COVID-19 units, other care areas, and non-care roles, and across regions with different outbreak intensities. The goal was to understand exposure risks and help protect healthcare workers in future waves.

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 hospitals better understand which staff are at highest risk of infection and improve protection strategies.
What could go wrong: This is an observational study, not a treatment trial. Results may not apply to other regions or time periods, and antibody tests can miss past infections.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

viral infectious disease

As listed by the trial registrant

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

INFECTION VIRAL

Contacts and locations

Locations

CH Argenteuil - Service de Réanimation

Argenteuil, Argenteuil, 95107, France
CHU Dijon - Serve de Réanimation

Dijon, Dijon, 21079, France
CHU de Limoges

Limoges, France
Ch Belfort

Belfort, 90000, France

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