Follow-up Study 16-20 Years After Primary Vaccination Against Hepatitis B of Newborns From HBeAg+ & HBsAg+ Mothers
Long-Term Follow Up Study at Years 16-20, to Evaluate the Persistence of Immune Response of GlaxoSmithKline Biologicals' Hepatitis B Vaccine in Newborns of HBeAg+ and HBsAg+ Mothers