Recent reports and surveillance signals
A curated timeline of recent hantavirus reports drawn from official agencies. News coverage is included only as context — never as primary medical guidance.
- 2025-03California, United States
Cluster of HPS cases in Mono County
Local health authorities reported a cluster of hantavirus pulmonary syndrome cases in the Mammoth Lakes area, prompting public guidance on rodent-proofing seasonal homes.
- 2024-11Patagonia, Argentina/Chile
Andes virus seasonal advisory
Public-health agencies issued seasonal advisories ahead of the southern summer, when Andes virus activity historically peaks.
- 2024-09Germany
Puumala virus surge linked to vole population cycle
RKI reported a notable rise in Puumala cases concentrated in southern federal states following a beech mast year.
- 2024-06Sweden
Above-average sorkfeber notifications in Norrland
Folkhälsomyndigheten noted higher-than-average Puumala notifications in northern counties, consistent with a peak vole year.
- 2023-12China
Endemic HFRS surveillance update
Routine surveillance continued to show endemic HFRS activity, with vaccination programmes credited for sustained declines from historical highs.
Outbreak summaries are educational. Always check the cited primary source and your national public-health agency for current guidance.