Hospital staff antibody levels monitored for a year after AstraZeneca shot
NCT ID NCT04939402
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 200 hospital employees who received the AstraZeneca COVID-19 vaccine. Researchers measure their antibody levels at 6 weeks, 6 months, and 12 months after the second dose to see how long protection lasts. The goal is to understand the immune response and help guide future vaccination strategies.
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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
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UZ Brussel
Brussels, 1090, Belgium
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