Canho, R. del

hepatitis infant vaccine hepatitis b vaccine vaccination group anti-hb hbsag month mother hepatitis b vaccination immunization hepatitis b study level children infection hepatitis b infection birth response carrier hbeag neonate schedule hbv-dna hb !g efficacy 10 iu /l prevention virus hbv-dna levels schalm sw antigen immunogenicity scheme anti-hbs levels hepatitis b virus number netherland heijtink ra result serum 150 pg /ml preterm 3 months plasma hbsag-positive titer schalm anti-hbs titers 100 iu /l preterm infants chapter table 12 months anti-hbc lancet blood grosheide pm passive-active kinderen vaccinated antibody hepatitis b immunoglobulin program heijtink /liter 5 years difference canho country sample perinatal term infants transmission responder rotterdam hbv infection month 12 hepatitis b immunization