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AdvisoryPublished Jun 3 · 2026AI-classified · awaiting human verification

Washington health officials assisting with hantavirus investigations involving two different virus strains in two separate events

Read original atdoh.wa.gov

Washington, United StatesConfidence 90%1 affectedJun 3, 2026

Washington health officials are assisting with two separate hantavirus investigations: monitoring King County residents for Andes strain exposure from the MV Hondius cruise ship and a confirmed Sin Nombre virus case in Chelan County.

Source articles

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

  • Primary
    Washington health officials assisting with hantavirus investigations involving two different virus strains in two separate events

    doh.wa.gov · 2026-06-03

    On May 15, 2026, the Washington State Department of Health announced two separate hantavirus investigations. One involves monitoring King County residents potentially exposed to the Andes strain from the MV Hondius cruise ship. The other is a confirmed Sin Nombre virus case in Chelan County, unrelated to the cruise, marking the first such case in Washington this year.

  • Reference
    CDC Map Shows Where People With Hantavirus Have Died in US Since 1993 - Newsweek

    newsweek.com · 2026-06-03

    A recent Newsweek article highlights CDC data showing over 300 hantavirus deaths in the U.S. since surveillance began in 1993, out of 890 reported cases through 2023. The Sin Nombre virus, carried by deer mice, is responsible for most U.S. cases, primarily in western states like New Mexico, Colorado, Arizona, California, and Washington. The article provides context on the disease's history and geographical distribution in the U.S., distinct from the Andes strain causing the recent cruise ship outbreak.

  • Reference
    CDC Map Shows Where People With Hantavirus Have Died in US Since 1993

    newsweek.com · 2026-06-03

    A CDC map reveals that over 300 individuals have died from hantavirus in the United States since surveillance commenced in 1993, out of a total of 890 reported cases. The Sin Nombre virus is the most common strain in the US, typically spread by deer mice. In contrast, the Andes strain, prevalent in South America and linked to the recent cruise ship outbreak, is the only hantavirus known to allow limited human-to-human transmission. States with the highest numbers of cases and deaths include New Mexico, Colorado, Arizona, California, and Washington.

  • Reference
    CDC Map Shows Where People With Hantavirus Have Died in US Since 1993 - Newsweek

    vertexaisearch.cloud.google.com · 2026-06-03

    A CDC map reveals that over 300 people have died from hantavirus in the U.S. since surveillance began in 1993, out of 890 reported cases between 1993 and 2023. The disease, primarily spread by infected rodents, has a case fatality rate of over 34% in the U.S., with most cases linked to the Sin Nombre virus. States with the highest confirmed cases include New Mexico, Colorado, Arizona, California, and Washington, with 94% of cases occurring west of the Mississippi River.

  • Reference
    CDC Map Shows Where People With Hantavirus Have Died in US Since 1993 - Newsweek

    newsweek.com · 2026-06-03

    More than 300 people have died from hantavirus in the U.S. since CDC surveillance began in 1993. Between 1993 and 2023, 890 cases were reported, with a 34% fatality rate. Most cases are linked to the Sin Nombre virus, primarily found west of the Mississippi River. States with the most confirmed cases and deaths include New Mexico, Colorado, Arizona, California, and Washington.

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.