Current hantavirus outbreak
What we're seeing right now across CDC, WHO, ECDC, PAHO and reputable news in 12+ languages. Numbers below are signal volume — not confirmed case counts.
Where the signal volume is concentrated
Top countries by 30-day signal volume across all monitored feeds. Click into a country page for the verbatim signal list, endemic strains and reservoir species.
Map — every monitored country
Maritime alerts
No active maritime route alerts. Hantaflow's "Outbreaks & routes" map layer surfaces operator-curated ship-route alerts whenever a public-health agency or authoritative AIS provider publishes verifiable origin/route/destination data. When a route alert is current — for example, a vessel in transit with a confirmed onboard hantavirus case — it appears as a dashed polyline with departure, stopover, current-position and destination markers.
Notable past clusters
Historical context for the current situation. Each cluster below is sourced to a primary public-health document or peer-reviewed paper.
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A 34-case Andes hantavirus cluster in Epuyén, Chubut, Argentina, with documented person-to-person transmission. The largest reported P2P hantavirus cluster.
Cases: 34 · Deaths: 11 - Seoul virus pet-rat outbreaks (2017)
A multi-state Seoul virus outbreak in the United States and Canada traced to home-based rat breeders. Cross-border investigation confirmed in CDC and PHAC reports.
Cases: 17 · Deaths: 0
What to do with this
- If you might have been exposed — see /symptoms for the timeline and red flags. Sudden shortness of breath after a flu-like illness in someone who has had recent rodent exposure is an emergency.
- If you live or travel in an endemic region — see /prevention for the cleanup-and-rodent-proofing guidance most strongly correlated with reduced risk.
- If you are a clinician or researcher — the JSON feed at /api/signals.json and the source ledger at /sources trace every signal back to its origin.
Every 15 minutes, an ingestion worker pulls hantavirus-relevant items from CDC NNDSS (US weekly notifiable diseases), WHO Disease Outbreak News, ECDC, GDELT 2.0, and 17 Google News country/language feeds. Items are deduplicated by canonical URL, ranked by source authority, attributed to a country where the source signals one, and written to a JSON snapshot. The map and feed read this snapshot. Read the full method at /methodology.