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[For the return of high vaccination coverage].

Akira Homma1, Maria de Lourdes de Sousa Maia1, Isabel Cristina Alencar de Azevedo1

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Global vaccine hesitancy is a major public health threat. Brazil

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Area of Science:

  • Public Health
  • Immunization Programs
  • Epidemiology

Context:

  • Declining global vaccine coverage identified as a top public health threat by the WHO in 2019.
  • Brazil experienced a significant drop in vaccination rates starting in 2012, worsening post-2016 and exacerbated by the COVID-19 pandemic.
  • Resurgence of vaccine-preventable diseases like measles and polio highlights the critical state of immunization coverage.

Purpose:

  • To describe the Project for the Regaining of High Vaccination Coverage (PRCV) in Brazil.
  • To outline the frontline, local-level strategy implemented since 2021 to combat declining immunization rates.
  • To present early promising results of the PRCV initiative.

Summary:

  • The PRCV is structured around three core axes: vaccination, information systems, and communication/education.
  • The project emphasizes structural and interinstitutional actions, strengthening public policies, and developing multi-term measures.
  • Key success factors include engaging frontline professionals, fostering a social pact for vaccination, and building local support networks.

Impact:

  • Demonstrates the possibility of reversing low vaccination coverage through coordinated efforts.
  • Highlights the effectiveness of a localized, frontline-focused approach to public health challenges.
  • Provides a scalable model for strengthening immunization programs and combating vaccine-preventable diseases.