Regional outbreaks
Official clusters and regional watch pages.
Each outbreak page separates confirmed cases from ecological and climate indicators.
Cruise-linked multi-country cluster
Atlantic travel route
WHO has reported a multi-country cluster of severe respiratory illness linked to cruise ship travel, with confirmed hantavirus infection in tested patients.
Western United States
United States
CDC surveillance shows U.S. hantavirus disease is uncommon and historically concentrated west of the Mississippi River.
EU/EEA surveillance area
Europe
ECDC surveillance and annual reports provide periodic European case data, especially for regions where Puumala virus circulates.