Nasal vs. needle: which flu vaccine works better?
NCT ID NCT05921448
First seen Mar 29, 2026 · Last updated May 12, 2026 · Updated 7 times
Summary
This study compares two types of flu vaccines: a nasal spray and a standard shot. Researchers want to see how well each vaccine triggers immune responses in the nose and blood. The goal is to find ways to make flu vaccines more effective. Healthy adults aged 18 to 49 can join.
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This is a summary of
the original study
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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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Copenhagen Hospital Biobank Unit, Department of Clinical Immunology, Rigshospitalet, Denmark
Copenhagen, Copenhagen, 2100, Denmark
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Department of Medicine, Section of Respiratory Medicine, Herlev and Gentofte Hospital
Gentofte Municipality, Copenhagen, 2900, Denmark
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Diagnostic Immunology, Department of Clinical Immunology, Rigshospitalet, Denmark
Copenhagen, Copenhagen, 2100, Denmark
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Imperial College
London, W12 0NN, United Kingdom
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Institute for Immunology and Microbiology (ISIM), Panum Institute, University of Copenhagen
Copenhagen, Copenhagen, 2100, Denmark
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National Influenza Center for WHO at Statens Serum Institut (SSI)
Copenhagen, 2300, Denmark
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Technical University of Denmark (DTU)
Kongens Lyngby, 2800, Denmark
Conditions
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