Current hantavirus outbreak
What we're seeing right now across CDC, WHO, ECDC, PAHO and reputable news in 17 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.
- 01 Spain local 16
- 02 United States local 8
- 03 Argentina local 7
- 04 France local 6
- 05 United Kingdom local 5
- 06 Vietnam local 5
- 07 Russia local 4
- 08 Canada local 2
- 09 Mexico local 2
- 10 Türkiye local 2
- 11 Switzerland local 2
- 12 Italy local 2
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All monitored countries on the map
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 CDTR, the ECDC Surveillance Atlas, PAHO, ProMED, UKHSA, Public Health Scotland, RKI SurvStat, Santé publique France, GDELT 2.0, and 25 geo-targeted Google News feeds across 17 languages. 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.
