Could fewer shots protect just as well? new study tests hepatitis b vaccine schedules for babies
NCT ID NCT04294433
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether giving young children 2 doses of the hepatitis B vaccine works as well as the usual 3 doses. Over 400 children aged 2 to 18 months took part. Researchers measured blood antibody levels to see if fewer shots still provide strong protection against the virus.
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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
Locations
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Laval University Research Hospital Center
Québec, Quebec, G1E7G9, Canada
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Équipe de recherche en vaccination
Québec, Quebec, G1E7G9, Canada
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