Immunogenicity and Efficacy of Different Haemophilus influenzae type b Vaccines
محل انتشار: مجله آرشیو رازی، دوره: 69، شماره: 2
سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 37
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شناسه ملی سند علمی:
JR_ARCHRAZI-69-2_001
تاریخ نمایه سازی: 6 دی 1402
چکیده مقاله:
Haemophilus influenzae, a major cause of meningitis in young children leading to death and other neurological sequelae. The disease leaves ۱۵ to ۳۵% 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 ۱۹۷۰, the capsular polysaccharide polyribosylribitol phosphate (PRP) in H. influenzae b has been the target for vaccine development. The first Hib polysaccharide vaccine licensed in ۱۹۸۵, proved immunogenic in human adults, but failed to elicit an immune response in children under ۲ 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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