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

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

  box-kat.com · 2026-06-01

  This report mentions the May 2026 cruise ship outbreak and also highlights specific US hantavirus activity. In January 2026, San Diego County, California, reported the first positive hantavirus mouse of the year. It also notes that Arizona, New Mexico, and Colorado have had the most confirmed cases in the US between 2020-2025.

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

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

  Box-Kat reported on May 4, 2026, an update on hantavirus cases in the US, noting 864 cases between 1993 and 2022, with 94% occurring west of the Mississippi River. The article highlights the MV Hondius cruise ship outbreak in May 2026, which caused three deaths and sickened at least four, raising concerns about human-to-human transmission of the Andes virus. It also references past cases, including Betsy Arakawa's death in Santa Fe, New Mexico, and three fatal cases in Mono County, California, in 2025. Arizona, New Mexico, and Colorado had the most confirmed cases between 2020-2025.

• Reference
  Reported Cases of Hantavirus Disease - CDC↗

  cdc.gov · 2026-06-01

  The CDC provides an overview of hantavirus disease in the United States, reporting 890 cases since surveillance began in 1993, as of the end of 2023. Hantavirus Pulmonary Syndrome (HPS) became a nationally notifiable disease in 1995. The initial surveillance efforts in 1993 were prompted by an outbreak of severe respiratory illness in the Four Corners region, encompassing Arizona, Colorado, New Mexico, and Utah. The CDC notes that county-level data is not publicly provided to protect patient identities.