Woman and Man
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Extract
For the primary Epoch: To demonstrate non-inferiority of the immune response induced by (thiomersal-free) Engerix™-B (20 mcg HBsAg) administered as a 2-dose vaccination schedule compared to (preservative-free) Engerix™-B (10 mcg HBsAg) administered as a 3-dose vaccination schedule, one month after the full vaccination course (month 7). For the long term follow-up (LTFU): To evaluate anti-HBs antibody persistence at Months 30, 42, 54 and 66 after the first vaccine dose of primary vac-cination.
Inclusion criteria
- Hepatitis B vaccination of healthy adolescents