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Immunogenicity and safety of two different Haemophilus influenzae type b conjugate vaccines in Korean infants

Title
Immunogenicity and safety of two different Haemophilus influenzae type b conjugate vaccines in Korean infants
Authors
Kim K.H.Lee H.Chung E.H.Kang J.H.Kim J.H.Kim J.S.Lee H.J.Oh S.H.Park E.A.Park S.-E.
Ewha Authors
박은애김경효
SCOPUS Author ID
박은애scopus; 김경효scopus
Issue Date
2008
Journal Title
Journal of Korean Medical Science
ISSN
1011-8934JCR Link
Citation
vol. 23, no. 6, pp. 929 - 936
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
The incidence of invasive diseases, including meningitis caused by Haemophilus influenzae type b (Hib) was markedly decreased after routine immunization of Hib vaccine through diverse schedules in many countries. The purpose of this study was to evaluate the immunogenicity and safety of Hib conjugate vaccines in Korean children before the implementation of a national immunization program against Hib in Korea. A multicenter controlled trial was performed on two different Hib vaccines in Korean children. A total of 319 infants were enrolled: 199 infants were immunized with the Hib polysaccharide conjugated to the tetanus toxoid (PRP-T) and 120 infants with the Hib polysaccharide conjugated to the outer-membrane protein of Neisseria meningitides (PRP-OMP). Immunogenicity was evaluated by enzyme-linked immunosorbent assay (ELISA) and serum bactericidal assay. Both vaccines showed good immunologic responses after primary immunization. After 2 doses of PRP-T or PRP-OMP, 78.9% and 91.7% of infants achieved an antibody level of ≥1.0 μg/mL, respectively. Both vaccines were safe and well-tolerated. No serious adverse events were observed. Thus, Hib conjugate vaccines appear to be safe and show good immunogenicity in Korean infants. These results will be important reference data for the implementation of Hib vaccine in the national immunization program of Korea. © The Korean Academy of Medical Sciences.
DOI
10.3346/jkms.2008.23.6.929
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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