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

2026 Hantavirus Outbreak: Testing for Potential Infection | HAN - CDC

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United StatesConfidence 90%Today

The CDC issued a Health Alert Network (HAN) update for clinicians and health departments on hantavirus testing, monitoring US passengers for a cruise ship outbreak, and assessing low risk in the US.

Source articles

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

  • Primary
    2026 Hantavirus Outbreak: Testing for Potential Infection | HAN - CDC

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

    The CDC issued a Health Alert Network (HAN) update on May 18, 2026, informing clinicians and health departments about available testing for suspected hantavirus infections, including the Andes virus. While an Andes virus outbreak on a cruise ship was reported to WHO on May 2, no confirmed cases associated with this outbreak have been reported in the United States as of May 18, keeping the overall risk to the American public extremely low. The CDC and state health departments are monitoring U.S. passengers and air travel contacts.

  • Reference
    Amid Ebola, Hantavirus Outbreaks, Democrats Decry Trump's Health Cuts

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

    Following the MV Hondius hantavirus outbreak and an Ebola outbreak, US Democrats and infectious disease leaders are criticizing the administration's public health policies and budget cuts. The hantavirus cluster on the cruise ship, which originated in Argentina, has resulted in 11 infected passengers and three deaths, with the Andes virus strain capable of person-to-person transmission.

  • Reference
    MV Hondius hantavirus outbreak - Wikipedia

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

    Wikipedia's entry on the MV Hondius hantavirus outbreak, updated as of May 22, 2026, details the Andes virus infection on the Dutch cruise ship, which began in April 2026. It reports 10 confirmed and 2 suspected cases, with 3 deaths. Passengers were repatriated and quarantined in numerous countries, including Australia, Canada, France, Germany, the Netherlands, Saint Helena, Singapore, South Africa, Spain, Switzerland, Turkey, and the United States, following the ship's departure from Ushuaia, Argentina.

  • Reference
    CDC informs clinicians of available testing for suspected hantavirus infection

    aha.org · 2026-06-03

    The Centers for Disease Control and Prevention released a Health Alert Network Health Update on May 18, 2026, informing clinicians about testing available for patients with suspected hantavirus infection, including the Andes virus. This follows a May 8 CDC advisory regarding an outbreak of Andes virus on a cruise ship. The update emphasizes that Andes virus, endemic in South America, is the only hantavirus known to spread from person to person.

  • Reference
    Some hantavirus-exposed cruise ship passengers return home to finish quarantine

    keyt.com · 2026-06-02

    Several American passengers exposed to the rare Andes strain of hantavirus on board the MV Hondius cruise ship this spring have been released from the National Quarantine Unit in Nebraska to complete the second half of their mandatory six-week quarantine at home. Five passengers have been released, with 13 others remaining in the unit, according to the U.S. Centers for Disease Control and Prevention.

  • Reference
    Super El Niño Could Mean More US Hantavirus Cases This Summer - Newsweek

    newsweek.com · 2026-06-03

    A potential 'super El Niño' in the Pacific could increase the risk of hantavirus infections in parts of the United States this summer by boosting rodent populations. While the recent cruise ship outbreak involved the Andes strain, any increased risk in the US would likely be from the Sin Nombre virus, which is not known for person-to-person spread. Public health experts emphasize prevention through rodent control and safe cleaning practices.

  • Reference
    CDC Alerts Clinicians About Potential for Imported Hantavirus Cases | MedPage Today

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

    The CDC issued a Health Alert Network advisory on May 12, 2026, urging clinicians to be aware of potential imported Andes virus cases from the cruise ship outbreak. While broad spread in the U.S. is 'extremely unlikely,' early symptoms can be confused with other illnesses. Several state health departments, including Arizona, California, Georgia, Texas, Virginia, New Jersey, and Maryland, are monitoring individuals.

  • Reference
    Andes Virus Outbreak on a Cruise Ship: Current Situation | Hantavirus - CDC

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

    The Centers for Disease Control and Prevention (CDC) is responding to a deadly Andes hantavirus outbreak among passengers and crew of a cruise ship in the Atlantic Ocean, first reported on May 2, 2026. As of June 3, 2026, no cases of Andes virus have been confirmed in the United States as a result of this outbreak, and the overall risk to the American public and travelers is considered extremely low. The CDC, in coordination with state and federal partners, repatriated 18 potentially exposed individuals to the Nebraska Quarantine Unit for a 42-day public health monitoring period. Five of these

  • Reference
    WHO revises hantavirus cases lower after US passenger tests negative - CNA

    channelnewsasia.com · 2026-05-15

    The World Health Organization (WHO) revised the global total of hantavirus cases linked to the MV Hondius cruise ship down to 10 on May 15, 2026, after a U.S. passenger's inconclusive test was confirmed negative. U.S. health officials are monitoring 41 people, including 18 quarantined in Nebraska and Atlanta, for possible infection. The outbreak involves the Andes virus, a strain that has circulated in parts of Argentina and Chile for decades, with no significant viral changes identified to make it more transmissible or severe. The WHO stressed that the outbreak is not comparable to COVID-19 a

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.