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 at 4-5 years of age, previously vaccinated with four doses of Infanrix hexa in the first two years of life.
Inclusion criteria
- Antibody persistence and hepatitis B vaccine challenge in children at 4-5 years of age, previously primed and boosted with 4 doses of GSK Biologicals’ DTPa-HBV-IPV/Hib vaccine in routine vaccination practice in Germany