Femme et Homme
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Extrait
To assess the immune response to a challenge dose of hepatitis B vaccine administered in subjects who previously received a complete hepatitis B primary vaccination course, 72 to 78 months ago.
Critère d'inclusion
- Hepatitis B vaccine challenge dose given to subjects, 17 to 21 years of age, to evaluate immune memory to Hepatitis B antigen, approximately 6 years after priming with Hepatitis B vaccine