Journal article

Waning protection after fifth dose of acellular pertussis vaccine in children

The researchers compared 277 children, 4 to 12 years of age, who were PCR-positive for pertussis with 3318 PCR-negative controls and 6086 matched controls. PCR-positive children were more likely to have received the fifth DTaP dose earlier than PCR-negative controls (P<0.001) or matched controls (P=0.005). Comparison with PCR-negative controls yielded an odds ratio of 1.42 (95% confidence interval, 1.21 to 1.66), indicating that after the fifth dose of DTaP, the odds of acquiring pertussis increased by an average of 42% per year.

Languages

  • English

Publication year

2012

Journal

N Engl J Med

Volume

11

Type

Journal article

Categories

  • Service delivery

Diseases

  • Diphtheria
  • Pertussis

Countries

  • United States of America

Tags

  • Coverage monitoring
  • Performance monitoring

WHO Regions

  • Region of the Americas

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