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GeoVacina Rio Monitor: epidemiological intelligence to restore vaccination coverage in the city of Rio de Janeiro,
Malena Farias Santa Anna1, Débora Medeiros de Oliveira E Cruz1,2, Felipe de Carvalho Vommaro Marincola1
1Secretaria Municipal de Saúde do Rio de Janeiro. R. Afonso Cavalcanti 455, Cidade Nova. 20211-110 Rio de Janeiro RJ Brasil. malenafsanna@gmail.com.
Ciencia & Saude Coletiva
|August 13, 2025
Summary
The GeoVacina Rio Monitor initiative successfully increased childhood vaccination coverage in Rio de Janeiro. This system improved data quality and helped recover delayed immunizations for children in the Family Health Strategy program.
Area of Science:
- Public Health
- Epidemiology
- Health Informatics
Background:
- Vaccination coverage declined in Rio de Janeiro (MRJ) since 2019.
- The Family Health Strategy (FHS) aims to expand healthcare access.
- Epidemiological intelligence is crucial for public health interventions.
Purpose of the Study:
- To implement the GeoVacina Rio Monitor to recover vaccination coverage for children with delayed doses.
- To monitor pentavalent vaccine indicators within the FHS population in MRJ.
- To analyze vaccination data from January 2023 to January 2024.
Main Methods:
- Data extraction from Electronic Health Records.
- Summarization of data by FHS team, public health unit (PHU), and planning area (PA).
- Utilized an interactive map for visualizing child vaccination status and monitoring coverage.
Main Results:
- Fully vaccinated proportion increased from 76.1% (May 2023) to 90.8% (January 2024).
- Achieved a 14.7 percentage point increase in vaccination coverage.
- Reduced the number of health units with coverage below 80% by 49.5 percentage points.
Conclusions:
- The GeoVacina Rio Monitor effectively enhances data quality and restores vaccination coverage.
- The system aligns epidemiological intelligence with regional immunization strategies.
- Demonstrates potential for implementation in other municipalities to improve public health outcomes.
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