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Vaccination coverage according to doses received and timely administered based on an electronic immunization

Márcia de Cantuária Tauil1, Ana Paula Sayuri Sato2, Ângela Aparecida Costa2

  • 1Universidade de São Paulo, Programa de Pós-Graduação em Saúde Pública, São Paulo-SP, Brasil.

Epidemiologia E Servicos De Saude : Revista Do Sistema Unico De Saude Do Brasil
|December 7, 2017
PubMed

Insights

This study assessed childhood vaccination coverage in Brazil, finding the measles, mumps, and rubella vaccine had the lowest rates. Timely administration of all essential vaccines requires intensified public health efforts.

Area of Science:

  • Pediatrics
  • Public Health
  • Epidemiology

Background:

  • Childhood immunization is crucial for preventing infectious diseases.
  • Monitoring vaccine coverage ensures public health program effectiveness.
  • Brazil's vaccination schedules aim for high coverage rates.

Purpose of the Study:

  • To evaluate vaccine coverage by vaccine type at 12 and 24 months of age in a Brazilian cohort.
  • To assess the timeliness of vaccine administration.
  • To identify specific vaccines with suboptimal coverage.

Main Methods:

  • A descriptive cohort study of children born in 2012 in Araraquara-SP, Brazil.
  • Data linkage between the Information System on Live Births (Sinasc) and an electronic immunization registry (EIR).
  • Vaccination status assessed against São Paulo State recommendations for received and timely doses.

Main Results:

  • The triple viral vaccine (measles, mumps, rubella) showed the lowest coverage: 74.8% received dose at 12 months and 53.5% timely doses at 24 months.
  • Overall coverage exceeded 90% for most vaccines.
  • A significant proportion of children experienced delayed vaccinations.

Conclusions:

  • While overall vaccine coverage is high, delayed administration is a concern.
  • Public health interventions must focus on improving timely vaccination rates.
  • Targeted strategies are needed for vaccines like the triple viral vaccine to achieve optimal coverage.
Abstract

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