No Adverse Impact On Protection Against Pertussis From Combined Administration Of Haemophilus Influenzae Type B Conjugate And Diphtheria-Tetanus Toxoid-Pertussis Vaccines In The Same Syringe
JOURNAL OF INFECTIOUS DISEASES(1996)
摘要
To assess whether combining a Haemophilus influenzae type b conjugate vaccine (PRP-T) and diphtheria-tetanus toxoid-pertussis (DTP) vaccine in a single syringe would impact adversely the antibody response and clinical protection conferred by pertussis vaccine, surveillance and a nested serosurvey were conducted among infants in a large-scale evaluation of PRP-T in Santiago, Infants received either combined PRP-T/DTP or DTP only at 2, 4, and 6 months of age. At 8 months, pertussis agglutinin, anti-pertussis toxin, and anti-filamentous hemagglutinin antibody levels in the PRP-T/DTP (137.7, 23.1, and 12.2, respectively) and DTP (142.9, 20.6, and 13.0, respectively) groups were comparable. The incidence of pertussis was similar among infants assigned to health centers administering combined PRP-T/DTP and those administering DTP alone (13.1 vs, 12.2 cases/10(5) child-years). Combined PRP-T/DTP vaccine did not diminish protection against pertussis,
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关键词
diphtheria-tetanus,toxoid-pertussis
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