Massive flu vaccine study: does a stronger shot mean better protection?
NCT ID NCT06506812
First seen Oct 31, 2025 · Last updated May 18, 2026 · Updated 27 times
Summary
This study combined data from two large trials involving over 466,000 older adults to compare the effectiveness of a high-dose flu vaccine versus the standard dose. The goal was to see if the high-dose shot better prevents severe outcomes like hospitalization for flu or pneumonia. By pooling results from Denmark and Spain, researchers aimed for more reliable and widely applicable answers.
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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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Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte
Hellerup, Capital Region, 2900, Denmark
Conditions
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