We use local storage to remember your preferences and measure audience anonymously (Vercel Analytics — no personal data collected). Privacy Policy
Cumulative cases since outbreak start — WHO DON bulletin dated 2026-01-04
Official report date — in isolated zones, field onset typically precedes this by days to weeks.
Dengue fever surveillance in Brazil — 172,619 probable cases reported year-to-date in 2026 across 12 major cities: São Paulo (82,832), Rio de Janeiro (10,895), Belo Horizonte (16,292), Fortaleza (2,159) and 8 other cities. Source: InfoDengue surveillance platform (Fiocruz / PROCC / SVS-MS).
Case trend
Insufficient data (< 7 days)
Cite this page (Vancouver)
HealthWatch Global. Dengue fever outbreak — Brazil [Internet]. 2026-01-04 [cited 2026 Jun 28]. Available from: https://healthwatch-global.com/en/outbreak/cafd71af-7df5-4571-90dd-36c613a4c996. Data source: InfoDengue.
Get real-time disease outbreak alerts
14-day Pro trial — no credit card required