Woman and Man
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Extract
To assess the anti-HBs antibody response to a challenge dose of HBV vaccine (Engerix-B Kinder) in subjects 12-13 years of age, vaccinated with three doses of Engerix-B in infancy.
Inclusion criteria
- Antibody persistence and hepatitis B vaccine challenge in adolescents aged 12-13 years, vaccinated in infancy with three doses of GSK Biologicals’ HBV vaccine in routine practice