Infant COVID vaccine trial halted: safety data collected for babies as young as 12 weeks
NCT ID NCT05584202
First seen Jan 07, 2026 · Last updated Apr 29, 2026 · Updated 18 times
Summary
This study tested an mRNA COVID-19 vaccine (mRNA-1273.214) in 68 healthy infants aged 12 weeks to under 6 months. The goal was to check safety and how well the vaccine works in this age group. The trial was stopped early, but researchers collected information on side effects like fever, fussiness, and injection site reactions.
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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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Acevedo Clinical Research
Miami, Florida, 33142-2946, United States
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Advances In Health Inc
Pearland, Texas, 77584, United States
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Be Well Clinical Studies
Lincoln, Nebraska, 68516, United States
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Cedar Health Research - Dedicated Research Facility
Dallas, Texas, 75251, United States
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Center For Clinical Trials LLC
Paramount, California, 90723, United States
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Child Health Care Associates
East Syracuse, New York, 13057, United States
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Children's Hospital Colorado
Aurora, Colorado, 80045, United States
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Clinical Research Institute, Inc
Minneapolis, Minnesota, 55402, United States
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Clinical Research Partners, LLC
Richmond, Virginia, 23226, United States
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Coastal Pediatric Research
Charleston, South Carolina, 29414, United States
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D&H National Research Centers
Miami, Florida, 33155, United States
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DM Clinical Research - Kool Kids Pediatrics - ERN - PPDS
Houston, Texas, 77065-5471, United States
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Eclipse Clinical Research
Tucson, Arizona, 85745, United States
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Emory University School of Medicine
Atlanta, Georgia, 30322, United States
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Excellence Medical and Research LLC
Miami Gardens, Florida, 33169, United States
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KM International Research Operation - Saint Cloud
Saint Cloud, Florida, 34769, United States
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Kissimmee Clinical Research
Kissimmee, Florida, 34741, United States
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Madera Family Medical Group
Madera, California, 93637, United States
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MedPharmics - Platinum - PPDS
Covington, Louisiana, 70433-7237, United States
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MedPharmics - Platinum - PPDS
Lafayette, Louisiana, 70508, United States
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Medical Research Partners- Ammon
Ammon, Idaho, 83406, United States
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Meridian Clinical Research (Washington) - PPDS
Washington D.C., District of Columbia, 20016, United States
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PAS Research
Clearwater, Florida, 33756, United States
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PAS Research
Tampa, Florida, 33613, United States
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PI-Coor Clinical Research LLC
Burke, Virginia, 22015, United States
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Prohealth Research Center
Doral, Florida, 33166, United States
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SeraCollection Research Services LLC
Montebello, California, 90640, United States
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South Texas Clinical Research - Corpus Christi
Corpus Christi, Texas, 78404, United States
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Stony Brook University Medical Center
Stony Brook, New York, 11794, United States
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Suncoast Research Associates LLC - ERN - PPDS
Miami, Florida, 33173, United States
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Tanner Clinic
Layton, Utah, 84041, United States
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Trinity Clinical Research, LLC - Bessemer
Bessemer, Alabama, 35022, United States
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UAB Pediatrics
Birmingham, Alabama, 35233, United States
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UMass Memorial Medical Center
Worcester, Massachusetts, 01655, United States
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UPMC University Center
Pittsburgh, Pennsylvania, 15123, United States
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University of Florida Jackonsville
Jacksonville, Florida, 32209, United States
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Velocity Clinical Research (Hastings - Nebraska) - PPDS
Wilmington, North Carolina, 28401, United States
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Victoria Clinical Research Group
Port Lavaca, Texas, 77979, United States
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Wee Care Pediatrics
Syracuse, Utah, 84075, United States
Conditions
Explore the condition pages connected to this study.