Health team practices to improve vaccination coverage of children in a favela.

Introduction: The Brazilian National Immunization Program currently faces numerous challenges, such as vaccine hesitancy, the spread of fake news, and the impacts of COVID-19, especially in vulnerable communities, where social and structural barriers affect vaccination coverage.

Objective: To report the experience of planning and implementing practices to expand vaccination coverage for children up to two years old in a favela in Rio de Janeiro.

Method: An experience report carried out between June and November 2023, structured in two stages: planning, using GeoVacina Rio to identify vaccination gaps; and execution, which included active search, vaccination "D-Days", educational activities and digital communication with guardians.

Results: 100% vaccination coverage was achieved for registered children, strengthening ties with the community and reducing access barriers through integrated and humanized strategies.

Conclusion: The use of technology, health education and humanized care proved effective in expanding vaccination coverage in vulnerable areas, serving as a model for other locations.