Historical
Yellow fever cases over time in Brazil (1994-2025). The yellow line indicates the average annual number of cases, and the dashed line indicates the historical average. A number of cases exceeding the historical average indicates an outbreak.
Age group
Age Group Distribution of Yellow Fever Cases in Brazil (2025). Distribution of 2025 Yellow Fever cases by gender and age group. Male were more affected than females in all age groups. The most affected age group was 20-29 years old, followed by 50-59 years old, possible due to the lack of vaccination.
Cases
Column
Human Yellow Fever Cases in Brazil (2025)
Column
Non-human primate Yellow Fever Cases in Brazil (2025)
Map
Column
Spatial distribution of Yellow Fever Cases on Humans in SP and MG States (2025)
Column
Spatial distribution of Yellow Fever Cases on Non-Human Primates in SP and MG States (2025)
Vaccination
Column
Vaccination rate of affected municipalities in 2025 (2020-2024). The vaccination rate of municipalities affected by the Yellow Fever outbreak in 2025 estimated based on the population of each municipality.
Column
Average vaccination rates of affected municipalities in 2025 (2020-2024).
