1337. Development, Maintenance, and Application of Opsonophagocytic Assays to Measure Functional Antibody Responses to Support a 20 Valent Pneumococcal Conjugate Vaccine
نویسندگان
چکیده
منابع مشابه
The 7-valent pneumococcal conjugate vaccine elicits cross-functional opsonophagocytic killing responses to Streptococcus pneumoniae serotype 6D in children
BACKGROUND We investigated the immune response to serogroup 6 with the opsonophagocytic killing assay (OPKA) in children aged 12-23 months of age after immunization with the 7-valent pneumococcal conjugate vaccine (PCV7) containing serotype 6B. METHODS Blood samples were obtained from 59 children who had blood sampling for medical examination. Immunization status against PCV7 was confirmed by...
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متن کاملImmunogenicity and tolerance of a 7-valent pneumococcal conjugate vaccine in nonresponders to the 23-valent pneumococcal vaccine.
There is still a lack of effective vaccination strategies for patients with a deficient antibody response to bacterial polysaccharide antigens. In an open trial, we evaluated the immunogenicity and tolerance of a new 7-valent pneumococcal conjugate vaccine in 22 infection-prone nonresponders to pneumococcal polysaccharide vaccine and 21 controls. In the patient group, nonresponsiveness was conf...
متن کاملImmunogenicity and safety of a 13-valent pneumococcal conjugate vaccine compared to a 23-valent pneumococcal polysaccharide vaccine in pneumococcal vaccine-naive adults.
BACKGROUND Streptococcus pneumoniae is a major cause of morbidity and mortality among adults 50 years of age and older in the United States. Pneumococcal conjugate vaccines are efficacious against pneumococcal disease in children and may also offer advantages in adults. METHODS We performed a randomized, modified double-blind trial that compared a single dose of 13-valent pneumococcal conjuga...
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The 7-valent pneumococcal conjugate vaccine (PCV7) has been shown to be highly cost-effective. The 13-valent pneumococcal conjugate vaccine (PCV13) offers seroprotection against six additional serotypes. A decision-analytic model was constructed to estimate direct medical costs and clinical effectiveness of PCV13 vaccination on invasive pneumococcal disease (IPD), pneumonia, and otitis media re...
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ژورنال
عنوان ژورنال: Open Forum Infectious Diseases
سال: 2019
ISSN: 2328-8957
DOI: 10.1093/ofid/ofz360.1201