Scientists probe lymph nodes to compare COVID booster immune responses

NCT ID NCT05951920

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

Summary

This study looked at how two different COVID-19 booster vaccines affect immune cells in the lymph nodes. Researchers used a needle to take samples from the lymph nodes of 12 adults who had already received at least three doses of an mRNA COVID-19 vaccine. The goal was to understand the immune response triggered by each booster type.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • GH Broca-Cochin-Hôtel-Dieu CIC 1417 Cochin-Pasteur

    Paris, 75679, France

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