Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines

Haemophilus influenzae, a major cause of meningitis in young children leading to death and other neurological sequelae. The disease leaves 15 to 35% of the survivors with permanent disabilities, such as, mental retardation or deafness. Despite the availability of new and more powerful antibiotics ch...

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Main Author: Mojgani, N.
Format: Article
Language:English
Published: Razi Vaccine and Serum Research Institute 2014-11-01
Series:Archives of Razi Institute
Subjects:
Online Access:http://www.archrazi.com/browse.php?a_id=499&sid=1&slc_lang=en
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author Mojgani, N.
author_facet Mojgani, N.
author_sort Mojgani, N.
collection DOAJ
description Haemophilus influenzae, a major cause of meningitis in young children leading to death and other neurological sequelae. The disease leaves 15 to 35% of the survivors with permanent disabilities, such as, mental retardation or deafness. Despite the availability of new and more powerful antibiotics children with Hib meningitis still suffer from high mortality or morbidity. The emergence of multiresistant Hib strains causes increasing difficulties in selecting proper antibiotics for the treatment. Since 1970, the capsular polysaccharide polyribosylribitol phosphate (PRP) in H. influenzae b has been the target for vaccine development. The first Hib polysaccharide vaccine licensed in 1985, proved immunogenic in human adults, but failed to elicit an immune response in children under 2 years of age who were at greatest risk of developing the invasive Hib infection. These factors led to one of the most exciting advances in pediatrics, the development of Hib conjugate vaccines. Unlike most other vaccines for preventing a particular disease which are generally similar for all types, the specific characteristics of the available Hib conjugate vaccines licensed vary from each other in structure and immunological properties. In this review the immunogenicity and efficacy of Hib vaccines including a) PRP vaccine; b) Conjugate vaccines; and c) Combination vaccines is evaluated.
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spelling doaj.art-d00a874894c348a8afb6595704318eda2022-12-22T01:08:05ZengRazi Vaccine and Serum Research InstituteArchives of Razi Institute0365-34392008-98722014-11-01692115125Immunogenicity and Efficacy of Different Haemophilus influenzae type b VaccinesMojgani, N.0Department of Biotechnology, Razi Vaccine and Serum Research Institute, Karaj, IranHaemophilus influenzae, a major cause of meningitis in young children leading to death and other neurological sequelae. The disease leaves 15 to 35% of the survivors with permanent disabilities, such as, mental retardation or deafness. Despite the availability of new and more powerful antibiotics children with Hib meningitis still suffer from high mortality or morbidity. The emergence of multiresistant Hib strains causes increasing difficulties in selecting proper antibiotics for the treatment. Since 1970, the capsular polysaccharide polyribosylribitol phosphate (PRP) in H. influenzae b has been the target for vaccine development. The first Hib polysaccharide vaccine licensed in 1985, proved immunogenic in human adults, but failed to elicit an immune response in children under 2 years of age who were at greatest risk of developing the invasive Hib infection. These factors led to one of the most exciting advances in pediatrics, the development of Hib conjugate vaccines. Unlike most other vaccines for preventing a particular disease which are generally similar for all types, the specific characteristics of the available Hib conjugate vaccines licensed vary from each other in structure and immunological properties. In this review the immunogenicity and efficacy of Hib vaccines including a) PRP vaccine; b) Conjugate vaccines; and c) Combination vaccines is evaluated.http://www.archrazi.com/browse.php?a_id=499&sid=1&slc_lang=enH. influenzae type bPRPmeningitisconjugate
spellingShingle Mojgani, N.
Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
Archives of Razi Institute
H. influenzae type b
PRP
meningitis
conjugate
title Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
title_full Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
title_fullStr Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
title_full_unstemmed Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
title_short Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
title_sort immunogenicity and efficacy of different haemophilus influenzae type b vaccines
topic H. influenzae type b
PRP
meningitis
conjugate
url http://www.archrazi.com/browse.php?a_id=499&sid=1&slc_lang=en
work_keys_str_mv AT mojganin immunogenicityandefficacyofdifferenthaemophilusinfluenzaetypebvaccines