Cases of Hantavirus by State (2026 Updates)
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San Diego County, California, United StatesConfidence 85%3 affectedToday
The article reports three fatal hantavirus cases in Mono County, California, and a positive rodent detection in San Diego County, alongside historical case data for western US states.
Species mentioned
- human
- rodent
Source articles
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- PrimaryCases of Hantavirus by State (2026 Updates)
vertexaisearch.cloud.google.com · 2026-06-03
Hantavirus Pulmonary Syndrome (HPS) remains a rare but deadly illness in the US, primarily in western states. Between 2020-2025, Arizona reported 26 cases, New Mexico 25, and Colorado 13. In January 2026, San Diego County, California, reported the first positive hantavirus rodent detection of the year. Mono County, California, also reported three fatal HPS cases, with rodent droppings found at workplaces, suggesting increased indoor rodent activity.
Reminder
This report is an aggregated summary of public information for surveillance and awareness purposes only. It is not medical advice. For symptoms, exposure, or clinical decisions, contact a qualified clinician or your local public-health authority.