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MEDIUM RISK

Dengue fever

📍 Brazil

All Dengue fever outbreaks →

Confirmed cases

166,257

Deaths

Case fatality rate

0.0%

Cumulative cases since outbreak start — WHO DON bulletin dated 2026-01-04

Report date : 2026-01-04

Official report date — in isolated zones, field onset typically precedes this by days to weeks.

Region : americas

Dengue fever surveillance in Brazil — 166,257 probable cases reported year-to-date in 2026 across 12 major cities: São Paulo (80,547), Rio de Janeiro (10,522), Belo Horizonte (15,564), Fortaleza (2,000) and 8 other cities. Source: InfoDengue surveillance platform (Fiocruz / PROCC / SVS-MS).

Case trend

Focal Point GuidanceSTANDARD MONITORING

First actions

→Log in national surveillance system — continue routine monitoring
→Compare with seasonal baseline for this region and disease
→Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)

Source: InfoDengue↗

🔄Last checked by HealthWatch : 21h ago

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Cite this page (Vancouver)

HealthWatch Global. Dengue fever outbreak — Brazil [Internet]. 2026-01-04 [cited 2026 Jun 26]. Available from: https://healthwatch-global.com/en/outbreak/dfc8f147-7803-4d28-9627-9070a1a38368. Data source: InfoDengue.

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