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Antibody level of New Zealand children immunized with the triple vaccine DTP (diphtheria-tetanus-pertussis)

Published online by Cambridge University Press:  15 May 2009

R. C. H Lau
R. C. H Lau
Affiliation:
Immunology Research and Development Unit, National Health Institute, Kenepuru Drive, Porirua, Wellington, New Zealand
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Summary

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Enzyme-linked immunosorbent assay (ELISA) tests were used to measure IgG antibody levels in 2638 New Zealand children who had been immunized with the triple vaccine DTP. The percentage of children immune to diphtheria decreased with age. The percentage of children immune to tetanus varied from 67.1 to 55.0%. The percentage of children with measurable antibody to pertussis increased with age. The mean percentages of children with measurable antibody or immunity to one or more DTP components were 34.2% (with 3 components), 34.4% (2 components), and 78.1% (1 component). It appears the immunization strategy for diphtheria and tetanus is satisfactory for herd immunity in New Zealand children. However, the current pertussis strategy may not be providing adequate immunity to 5-year-olds in this country.

Type
Research Article
Information
Epidemiology & Infection , Volume 101 , Issue 2 , October 1988 , pp. 405 - 410
Copyright
Copyright © Cambridge University Press 1988

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