Novavax vaccine trial for kids under 12 shows promise
NCT ID NCT05468736
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested Novavax's COVID-19 vaccine in 3,600 children aged 6 months to 12 years. The goal was to see if the vaccine is safe and triggers a strong immune response. Children received two doses 21 days apart, with some getting a placebo. The trial is complete, and results will help decide if the vaccine can be used in young kids.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Novavax COVID-19 vaccine (NVX-CoV2373) with Matrix-M adjuvant
What this could lead to
If successful, this could provide a safe and effective COVID-19 vaccine option for children as young as 6 months, helping protect them from severe illness.
What could go wrong
This is a completed phase 2/3 trial, but results are not yet published. Side effects like fever or injection site pain are possible, and rare risks like heart inflammation need monitoring.
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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ARS-Nona Pediatric Center
Orlando, Florida, 32829, United States
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Advanced Research Center
Anaheim, California, 92805, United States
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Alliance for Multispecialty Research
Layton, Utah, 84041, United States
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Alliance for Multispecialty Research c/o Wee Care Pediatrics - Roy
Roy, Utah, 84067, United States
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Apex Research Group
Fair Oaks, California, 95628, United States
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Ark Clinical Research
Long Beach, California, 90815, United States
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Bay Colony Pediatrics
Dickinson, Texas, 77539, United States
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Be Part Yoluntu Centre - Paarl
Paarl, Western Cape, 7655, South Africa
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Be Well Clinical Studies, LLC
Lincoln, Nebraska, 68516, United States
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Bluegrass Clinical Research, Inc./All Children Pediatrics
Louisville, Kentucky, 40243, United States
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Boeson Research
Missoula, Montana, 59804, United States
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CECLISA
Guatemala City, 01009, Guatemala
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California Research Foundation
San Diego, California, 92123, United States
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Centro Multidisciplinario para el Desarrollo Especializado de la Investigacion Clinica en Yucatan S.C.P.
Mérida, Yucatán, 97130, Mexico
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Centro de Atencion e Investigacion Medica - CAIMED
Yopal, Casanare Department, 850007, Colombia
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Centro de Atencion e Investigacion Medica S.A.S-CAIMED
Puente Aranda, Bogota D.C., 111011, Colombia
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Centro de Estudios en Infectologia Pediatrica S.A.S.CEIP
Cali, Valle del Cauca Department, 760042, Colombia
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Centro de Investigaciones Pediátricas (CIP)
Guatemala City, 01001, Guatemala
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Clinica de la costa
Barranquilla, Atlántico, 80002, Colombia
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Clinical Research Associates, Inc.
Nashville, Tennessee, 37203, United States
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Clinical Research Institute S.C.
Tlalnepantla, 54055, Mexico
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Clinical Research Partners, LLC
Richmond, Virginia, 23226, United States
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Clinical Research of California
Walnut Creek, California, 94598, United States
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Coast Clinical Research, LLC
Bellflower, California, 90706, United States
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Complejo Hospitalario Universitario de Santiago
Santiago de Compostela, A Coruña, 15706, Spain
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Cordova Research Institute, LLC
Miami, Florida, 33155, United States
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Corning Center for Clinical Research
Horseheads, New York, 14845, United States
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Craig A. Spiegel, M.D.
Bridgeton, Missouri, 63044, United States
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DEMEDICA
San Pedro Sula, Cortés Department, 21104, Honduras
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Dayton Clinical Research
Dayton, Ohio, 45409, United States
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FAICIC S. de R.L. de C.V.
Veracruz, 91900, Mexico
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FEU-NRMF
Quezon City, National Capital Region, 1118, Philippines
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Fundacion Centro de Investigacion Clinica - CIC
Medellín, Antioquia, 50021, Colombia
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Fundacion Oftalmologica de Santander - FOSCAL
Floridablanca, Santander Department, 681004, Colombia
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Hospital Universitario 12 de Octubre
Madrid, 28041, Spain
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Hospital Universitario Severo Ochoa
Leganés, Madrid, 28911, Spain
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Hospital Universitario de Torrejon
Torrejón de Ardoz, Madrid, 28850, Spain
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Imagine Research of Palm Beach County
Boynton Beach, Florida, 33435, United States
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Innovacion y Desarrollo en Ciencias de la Salud (IDeCSa)
Tlalpan, Mexico City, 14090, Mexico
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Instituto Dermatologico y Cirugia de Piel Dr. Huberto Bogaert Diaz IDCP
Santo Domingo, Nacional, 10306, Dominican Republic
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Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Tlalpan, Mexico City, 14080, Mexico
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Inverime S.A.
Tegucigalpa, Francisco Morazán Department, 11101, Honduras
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Investigacion Sin Limites
Tegucigalpa, Francisco Morazán Department, 11101, Honduras
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Lakeside Healthcare Research
Corby, Northamptonshire, NN17 2UR, United Kingdom
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Leavitt Clinical Research
Idaho Falls, Idaho, 83404, United States
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Limpopo Clinical Research Initiative
Thabazimbi, Limpopo, 0380, South Africa
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Lynn Institute of Tulsa
Tulsa, Oklahoma, 74135, United States
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MEDYVAC INTERNACIONAL SRL en Clinica Cruz Jiminian
Santo Domingo, Nacional, 10601, Dominican Republic
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Manila Doctors Hospital
Manila, National Capital Region, 1000, Philippines
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Medical Mission Group Hospital-Lucban and Southern Luzon State University
Lucena City, Quezon, 4328, Philippines
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Mercury Clinical Research
Houston, Texas, 77087, United States
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Mercury Clinical Research - Pediatric Center
Richmond, Texas, 77469, United States
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Meridian Clinical Research
Lincoln, Nebraska, 68510, United States
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Michael W. Simon, M.D., PSC
Lexington, Kentucky, 40517, United States
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Morehouse School of Medicine
Atlanta, Georgia, 30310, United States
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National Children's Hospital
Quezon City, National Capital Region, 1102, Philippines
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Orange County Research Institute
Ontario, California, 91762, United States
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PROBEBE en Hospital Universitario Maternidad Nuestra Senora de la Altagracia
Santo Domingo, Nacional, 10205, Dominican Republic
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Palm Harbor Dermatology PA
Brandon, Florida, 33511, United States
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PanAmerican Clinical Research
Brownsville, Texas, 78520, United States
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Panamerican Clinical Research Mexico S.A. de C.V. (Queretaro Site)
Querétaro, 76100, Mexico
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Panamerican Clinical Research S.A de C.V.
Guadalajara, Jalisco, 44670, Mexico
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Panamerican Clinical Research, Mexico S.A de C.V.
Cuernavaca, Morelos, 62290, Mexico
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Preferred Research Partners, Inc.
Little Rock, Arkansas, 72211, United States
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REIMED Riger Park
Boksburg, Gauteng, 1459, South Africa
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Registrum Group (Hospital Materno Infantil San Lorenzo de Los Mina)
Santo Domingo, Nacional, 11901, Dominican Republic
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Registrum Group (Hospital Regional Marcelino Velez)
Santo Domingo, Nacional, 11005, Dominican Republic
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Research Your Health
Plano, Texas, 75093, United States
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SMI (Servicios Medicos Integrales)
Guatemala City, 01007, Guatemala
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Senders Pediatrics
South Euclid, Ohio, 44121, United States
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Setshaba Research Centre
Ga-Tshwene, Gauteng, 0152, South Africa
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South Texas Clinical Research
Corpus Christi, Texas, 78404, United States
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Soweto Clinical Trials Centre
Johannesburg, Gauteng, 1818, South Africa
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St Georges Hospital
London, SW17 0QT, United Kingdom
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Stellenbosch University Worcester
Worcester, Western Cape, 6850, South Africa
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Tekton Research
San Antonio, Texas, 78244, United States
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Tekton Research - Atlanta
Chamblee, Georgia, 30341, United States
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Tekton Research Beaumont
Beaumont, Texas, 77706, United States
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Tiervlei Trial Centre
Bellville, Western Cape, 7530, South Africa
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Tribe Clinical Research
Greenville, South Carolina, 29607, United States
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Trio Clinical Trials
Houston, Texas, 77008, United States
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University of the Philippines - Philippine General Hospital
Manila, National Capital Region, 1000, Philippines
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University of the Philippines Manila - National Institutes of Health (NIH) - Institute of
San Juan City, Batangas, 4226, Philippines
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Velocity Clinical Research
Beachwood, Ohio, 44122, United States
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Velocity Clinical Research - Covington
Covington, Louisiana, 70433, United States
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Velocity Clinical Research - Covington, LA
Covington, Louisiana, 70433, United States
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Velocity Clinical Research - Lafayette LA
Lafayette, Louisiana, 70508, United States
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Velocity Clinical Research - West Jordan
West Jordan, Utah, 84088, United States
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Velocity Clinical Research Grants Pass
Grants Pass, Oregon, 97527, United States
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WR - ClinSearch, LLC
Chattanooga, Tennessee, 37421, United States
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Westside Center for Clinical Research
Jacksonville, Florida, 32205, United States
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WiWits RHI - Shandukani Research Centre
Johannesburg, Gauteng, 2001, South Africa
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Wits Vida Nkanyezi Site- Rahima Moosa Mother and Child Hospital
Johannesburg, Gauteng, 2093, South Africa
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Wits Vida- Chris Hani Baragwanath Hospital
Soweto, Gauteng, 1862, South Africa