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  • Title: [Premature infants and hepatitis B vaccination. Study Group Prevention Neonatal Hepatitis B].
    Author: Del Canho R, Grosheide PM, Gerards LJ, Heijtink RA, Schalm SW.
    Journal: Tijdschr Kindergeneeskd; 1992 Aug; 60(4):105-11. PubMed ID: 1440551.
    Abstract:
    Since 1986 health authorities in the Netherlands advise to vaccinate preterm infants at similar age as term infants, without correction for their shortened gestational age. This advice was based on a study, which showed comparable immune responses after DTP vaccination in preterm and term infants. To assess the immunogenicity of hepatitis B vaccination not corrected for gestational age in preterm infants, we compared the antiHBs titer after hepatitis B vaccination in 44 preterm infants with the antiHBs titer in 829 term infants. More than 95% of the preterm infants developed an adequate immune response (> 10 IU/l antiHBs), irrespective the vaccination scheme which varied in vaccine dose, the number of vaccinations and the onset of the first vaccination. The percentage preterm infants with an antiHBs titer > 10 IU/l (98%) was not different of the corresponding percentage of term infants (98%). Similarly, no difference between preterm and term infants was observed when an antiHBs value of 100 IU/l was considered a positive response, neither when active immunisation started at month 0 or month 3. The geometric mean titre at 12 months of age was considered.
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