Bird flu vaccine study: does waiting longer between shots boost protection?
NCT ID NCT07275060
First seen Jan 05, 2026 · Last updated May 16, 2026 · Updated 17 times
Summary
This study compares two schedules for the H5N1 (bird flu) vaccine: getting the second dose 3 weeks versus 8 weeks after the first. About 312 healthy adults aged 18-59 will participate to see which timing provides stronger immune protection. The goal is to find the most effective way to use this approved vaccine in case of a bird flu outbreak.
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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.
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
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Locations
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CHU de Québec
Québec, Quebec, G1E 7G9, Canada
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Canadian Center for Vaccinology
Halifax, Nova Scotia, Canada
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Vaccine Evaluation Center
Vancouver, British Columbia, Canada
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Vaccine Study Centre of the McGill University Health Centre
Pierrefonds, Quebec, H9H 4Y6, Canada
Conditions
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