Live Hantavirus Map
Real-time outbreak tracking worldwide. Click markers for details.
Outbreak Timeline
Chronological timeline of hantavirus events, research updates, and response activities.
MV Hondius Outbreak Update
WHO reports 11 total cases (8 confirmed, 1 inconclusive, 2 probable) including 3 deaths (CFR 27%). Two new confirmed cases from France and Spain. 147 passengers and crew onboard. Eight countries affected: Argentina, Cabo Verde, Chile, Netherlands, Spain, UK, France, United States.
ECDC Risk Assessment Published
European Centre for Disease Prevention and Control publishes risk assessment for Andes virus outbreak. Risk level set to 'moderate' for EU/EEA countries.
ECDC Notified of Cruise Ship Cluster
ECDC was notified on 2 May 2026 of a cluster of severe respiratory illness on a Dutch-flagged cruise ship with passengers and crew from 23 countries, including nine EU/EEA countries.
MV Hondius Cruise Begins
MV Hondius, a Dutch-flagged cruise ship, begins its voyage with passengers and crew from 23 countries.
CDC Annual Surveillance Report
CDC releases 2025 Hantavirus Pulmonary Syndrome surveillance data. 890 cumulative cases reported in United States since 1993. Southwest states remain highest risk.
European Seasonal Surge
ECDC reports seasonal increase in Puumala virus cases across Nordic countries. Finland typically reports the highest case numbers in the EU during winter-spring months.
South America Update
PAHO reports 95 cases of Andes hantavirus across Argentina, Chile, and Brazil. Person-to-person transmission continues to be documented in close-contact settings.
Asia Surveillance Data
China and South Korea continue to report Hantaan virus cases during winter season. Japan reports Seoul virus cases. HFRS remains endemic in East Asia.
New Vaccine Trial Announced
NIH announces Phase 2 clinical trial for Hantaan/Andes bivalent vaccine. Trial to enroll 500 participants in endemic regions of South America.
Rodent Population Study
Published study links climate change to 40% increase in deer mouse populations in Western US, potentially increasing hantavirus transmission risk.
Current Situation
Real-time hantavirus outbreak data from official sources worldwide
Frequently Asked Questions
Get answers to common questions about Hantavirus Tracker
Stay Informed, Stay Safe
Get real-time hantavirus outbreak data without the noise.