Reported dengue in the Americas, 2025

PAHO regional dengue surveillance · Epidemiological weeks 1–53 of 2025

What the source shows

Main result4.46 million suspected episodes
Additional result8,966 severe cases; 2,207 reported deaths
Time basisEpidemiological weeks 1–53 of 2025

Main takeaway

The regional burden was dominated by the very large number of reported non-severe episodes.

Keep in mind

Surveillance completeness may vary, and reported cases do not directly measure each patient’s experienced intensity or duration.

Dengue in the Americas

A short guide to cases, severe cases, deaths, and rates - and why the figures should not be added together.

Experimental cumulative USU pilot

Central experimental result45.4 million USU
18.2–95.5 million USUDeterministic model range, not a confidence interval
Model assumptions

Non-severe intensity 4/5/6 for 2/4/7 days; severe intensity 6/7/8 for 4/7/14 days; p=1; no overlap; mortality separate. P2 evidence-informed intensity mapping.

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Public brief

A short summary of the data, experimental result, and main limitations.

Open Public Brief

Full report

Source context, mappings, calculations, results, and interpretation.

Open Full Report

Technical methods: assumptions and reproducibility note.