ER nudges boost COVID shots? trial tests simple messages
NCT ID NCT06156215
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether brief videos, handouts, or a short talk from ER staff could increase COVID-19 booster vaccination within 30 days. Over 900 adults from emergency departments took part. The goal was to see if simple, low-cost messaging can improve vaccine uptake.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
vaccine messaging (videos, printed materials, face-to-face scripts)
What this could lead to
If effective, simple messaging in emergency rooms could help more people get COVID-19 boosters, reducing severe illness.
What could go wrong
This is a completed behavioral study, not a drug trial. Results may not apply to other settings or future vaccine updates.
Disclaimer
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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.
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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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
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Locations
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Baylor College of Medicine
Houston, Texas, 77030, United States
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Duke University Hospital
Durham, North Carolina, 27708, United States
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Jefferson Methodist Hospital
Philadelphia, Pennsylvania, 19148, United States
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Jefferson Torresdale Hospital
Philadelphia, Pennsylvania, 19114, United States
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San Francisco General Hospital Emergency Department
San Francisco, California, 94110, United States
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Thomas Jefferson University Hospital
Philadelphia, Pennsylvania, 19107, United States
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University of California San Francisco Parnassus
San Francisco, California, 94143, United States