Cases of Hantavirus by State (2026 Updates) | Box-Kat

Species mentioned

• Western harvest mouse

Source articles

Every claim above is derived from publicly available reporting. Click through to read the original at the publisher.

• Primary
  Cases of Hantavirus by State (2026 Updates) | Box-Kat↗

  vertexaisearch.cloud.google.com · 2026-06-01

  In January 2026, San Diego County, California, reported that a Western harvest mouse found near the Los Peñasquitos Ranch House tested positive for hantavirus. This marks the country's first positive rodent detection reported in 2026. While not a human case, this finding serves as a timely reminder that hantavirus risk begins with rodent activity. Hantavirus pulmonary syndrome (HPS) is a rare but often deadly respiratory illness transmitted through contact with infected rodents or their droppings, most often in the western United States.

• Reference
  San Diego County Reports First Hantavirus Positive Mouse in 2026↗

  box-kat.com · 2026-06-01

  In January 2026, San Diego County reported that a Western harvest mouse found near the Los Peñasquitos Ranch House tested positive for hantavirus. This marks the country's first positive rodent detection reported in 2026. While not a human case, it serves as a timely reminder that hantavirus risk is linked to rodent activity. Health officials continue to emphasize prevention through rodent control.