Conjugate and Polysaccharide Vaccines Conjugate and Polysaccharide Vaccines, Plenary Review Meningococcal polysaccharide-protein conjugate vaccines
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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 children with Hib meningitis still suffer from high mortality or morbidity. The emergence of multir...
متن کاملBordetella pertussis fimbriae are effective carrier proteins in Neisseria meningitidis serogroup C conjugate vaccines.
Serogroup C meningococcal conjugate vaccines generally use diphtheria or tetanus toxoids as the protein carriers. The use of alternative carrier proteins may allow multivalent conjugate vaccines to be formulated into a single injection and circumvent potential problems of immune suppression in primed individuals. Bordetella pertussis fimbriae were assessed as carrier proteins for Neisseria meni...
متن کاملMucosal immune responses to meningococcal conjugate polysaccharide vaccines in infants.
BACKGROUND Serogroup C meningococcal conjugate polysaccharide vaccines have been reported to induce significant serum IgG antibodies and immunologic memory in infants. Because meningococcus is a mucosal pathogen colonizing the nasopharynx, local mucosal immune responses may play an important role in host defense against infection and carriage. We have investigated the mucosal IgA and IgG antibo...
متن کاملTechnical Development of a New Meningococcal Conjugate Vaccine
BACKGROUND Group A Neisseria meningitidis has been a major cause of bacterial meningitis in the sub-Saharan region of Africa in the meningitis belt. Neisseria meningitidis is an encapsulated pathogen, and antibodies against the capsular polysaccharide are protective. Polysaccharide-protein conjugate vaccines have proven to be highly effective against several different encapsulated bacterial pat...
متن کاملEffect of Vaccine-Elicited Antibodies on Colonization of Neisseria meningitidis Serogroup B and C Strains in a Human Bronchial Epithelial Cell Culture Model
Capsular polysaccharide-protein conjugate vaccines protect individuals from invasive disease and decrease carriage, which reduces spread of the organism in the population. In contrast, antibodies elicited by plain polysaccharide or protein antigen-based meningococcal (Men) vaccines have little or no effect on decreasing carriage. In this study, we investigated the mechanism by which vaccine-ind...
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