| 1. |
- Claesson, Bo A, 1948, et al.
(author)
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Antibodies against Haemophilus influenzae type b capsular polysaccharide and tetanus toxoid before and after a booster dose of the carrier protein nine years after primary vaccination with a protein conjugate vaccine.
- 2005
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In: The Pediatric infectious disease journal. - : Ovid Technologies (Wolters Kluwer Health). - 0891-3668. ; 24:5, s. 463-4
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Research review (peer-reviewed)abstract
- IgG antibodies against Haemophilus influenzae type b (Hib) capsular polysaccharide (CPS) and tetanus toxoid (TT) were measured for 53 children, 10 years of age, before and 1 month after a booster dose of diphtheria-tetanus vaccine (DT). All children had been vaccinated at 3, 5 and 12 months of age with DT and a Hib-TT conjugate. Geometric mean concentrations of Hib CPS serum IgG antibody were 4.16 and 4.30 microg/mL before and after the DT booster, respectively. The geometric mean concentration of TT IgG antibody increased from 0.09 IU/mL to 4.58 IU/mL (P < 0.001). Hib CPS IgG levels remained well above protective titers for 9 years after 3 doses of Hib-TT appropriately spaced in infancy. A booster dose of TT did not affect Hib CPS antibody concentrations but induced a pronounced IgG response against TT.
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| 2. |
- Robbins, John B, et al.
(author)
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Pertussis vaccine: a critique.
- 2009
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In: The Pediatric infectious disease journal. - 0891-3668. ; 28:3, s. 237-41
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Journal article (peer-reviewed)abstract
- A critical level of serum IgG pertussis toxin antibody is both essential and sufficient to confer individual and herd immunity to pertussis. Monocomponent pertussis toxoid conferred such immunity in Sweden and in Denmark. We refute the notion that filamentous hemagglutinin, pertactin, and fimbriae add to the immunity conferred by pertussis toxoid and describe the artifact created when efficacy is estimated for multicomponent pertussis vaccines. Lastly, the genetically-inactivated mutant pertussis toxoid is safer, more immunogenic, and should be more effective than the current chemically-inactivated pertussis toxin.
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| 3. |
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