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[Increase in localised symptoms in 4-year-olds following revaccination with DaPT-IPV]

Silke David1, Patricia Vermeer-de Bondt, Nicoline van der Maas

  • 1Centrum Infectieziektebestrijding, Rijks Instituut voor Volksgezondheid en Milieu, Bilthoven, The Netherlands.

Nederlands Tijdschrift Voor Geneeskunde
|May 12, 2010
PubMed

Insights

Serious local reactions, including swelling and redness of the arm, were reported in 4-year-olds after receiving the diphtheria, acellular pertussis, tetanus, and poliomyelitis (DaPT-IPV) vaccine. These reactions, occurring in children previously vaccinated with acellular pertussis, resolved within days without lasting effects.

Area of Science:

  • Pediatric Vaccinology
  • Immunology
  • Public Health Surveillance

Context:

  • The Dutch national vaccination program utilizes various combination vaccines.
  • Monitoring adverse events following immunization is crucial for vaccine safety.
  • Previous vaccination history, particularly with whole-cell versus acellular pertussis vaccines, may influence local reactions.

Purpose:

  • To document and analyze serious local reactions following revaccination with diphtheria, acellular pertussis, tetanus, and poliomyelitis (DaPT-IPV) in 4-year-old children.
  • To investigate the incidence and characteristics of these reactions in relation to prior vaccination status.
  • To assess the implications of these local reactions for routine immunization practices.

Summary:

  • An increase in serious local reactions, characterized by swelling and redness of the upper arm, was observed in 2008 following DaPT-IPV revaccination in 4-year-olds.
  • These reactions occurred predominantly in children who had received an acellular pertussis vaccine during infancy.
  • Symptoms typically appeared the day after vaccination and resolved within 4-5 days without sequelae, suggesting they are not indicative of acute allergic reactions or infection.

Impact:

  • Provides valuable data on local reactogenicity of the DaPT-IPV vaccine in a specific pediatric cohort.
  • Informs healthcare providers about the nature and expected course of these local reactions, potentially reducing unnecessary medical interventions.
  • Contributes to the ongoing pharmacovigilance of childhood vaccination schedules.
Abstract

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