A Study to Evaluate Persistence of Hepatitis B Antibodies, Immunogenicity and Safety of Engerixâ˘-B Kinder Challenge Dose, in Adolescents Vaccinated With Four Doses of Infanrix⢠Hexa During Infancy
PHASE4
The purpose of this study is to assess the long-term persistence of immunit...
This Study Aims to Determine the Long-term Persistence of Antibodies Against Hepatitis B and to Evaluate the Immunogenicity and Safety of Hepatitis B Vaccine in Adolescents Vaccinated in Infancy With Infanrix⢠Hexa
PHASE4
The purpose of this study is to assess the long-term persistence of immunit...