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Vaccine. 1994 Nov;12(15):1460-6.

Interaction of Haemophilus influenzae type b conjugate vaccines with diphtheria-tetanus-pertussis vaccine in control tests.

Author information

1
Division of Bacteriology, National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, UK.

Abstract

The effects of combining three Haemophilus influenzae type b (Hib) capsular polysaccharide vaccines, conjugated to different proteins, with DTP vaccine on the subsequent control testing were examined. The addition of the Hib vaccines had little effect on the reactogenicity or the potency of the whole-cell pertussis component. The potency of, and antibody responses to, the diphtheria component were also unaffected in all three combinations. However, combination with the Hib vaccine comprising polysaccharide conjugated to tetanus toxoid resulted in a fivefold potentiation of the tetanus potency and large increases in the antibody responses to tetanus toxin and toxoid and Hib polysaccharide. These results have implications for the control testing of combined vaccines containing a whole-cell pertussis component and Hib polysaccharide-tetanus protein conjugate vaccine.

PMID:
7887024
DOI:
10.1016/0264-410x(94)90156-2
[Indexed for MEDLINE]

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