One-Stop shot? study checks safety of flu and COVID boosters together for seniors
NCT ID NCT04969276
First seen Nov 01, 2025 · Last updated May 17, 2026 · Updated 26 times
Summary
This study looked at whether it's safe and effective to give a high-dose flu vaccine and a Moderna COVID-19 booster at the same time to adults aged 65 and older. Participants had already received two doses of the Moderna COVID-19 vaccine at least five months earlier. The goal was to see how well the combination worked and if it caused any side effects.
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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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Investigational Site Number :8400001
Peoria, Illinois, 61614, United States
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Investigational Site Number :8400002
Austin, Texas, 78705, United States
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Investigational Site Number :8400003
Glendale, Arizona, 85306, United States
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Investigational Site Number :8400004
Vista, California, 92083, United States
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Investigational Site Number :8400005
Centennial, Colorado, 80112, United States
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Investigational Site Number :8400006
San Diego, California, 92108, United States
Conditions
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