Seventeen American passengers exposed to the deadly Andes strain of hantavirus aboard a cruise ship in the Atlantic Ocean are being repatriated to the United States under strict medical supervision, marking the first time the country’s only federally funded quarantine center has been activated for a hantavirus response. The passengers, all of whom were on the MV Hondius when the outbreak was identified off the Canary Islands of Spain, arrived in Nebraska early Monday after a government-chartered flight from Europe, according to the Centers for Disease Control and Prevention (CDC). Their journey home reflects a rare and rapid response to a virus that has already killed three people and sickened five others among the ship’s passengers and crew.
The passengers will be monitored around the clock at the National Quarantine Unit at the University of Nebraska Medical Center/Nebraska Medicine in Omaha, a facility designed to handle some of the world’s most dangerous infectious diseases. Two of the passengers are traveling in specialized biocontainment units out of an abundance of caution: one with mild symptoms and another who tested “mildly PCR positive” for the Andes virus, a strain that can spread between people through close contact. The rest will be housed in single-occupancy rooms with individual ventilation systems, ensuring no risk of airborne transmission.
The outbreak aboard the MV Hondius, a Dutch-flagged cruise ship, was first reported to the World Health Organization (WHO) on May 2, 2026. By May 10, the WHO confirmed eight cases linked to the ship—six confirmed and two probable—including three deaths and one critically ill patient. The Andes strain is particularly concerning because it is one of the few hantaviruses known to spread from person to person, though the risk of wider transmission remains low, according to both the CDC and WHO. “At this time, the overall risk to travelers and the American public remains extremely low,” the CDC stated in a May 8 update.
The Path to Quarantine: A Micro-Timeline
On April 24, seven Americans had already disembarked the cruise ship in Tenerife and returned to the U.S. On commercial flights, none of whom showed symptoms at the time. Dr. Jay Bhattacharya, the CDC’s acting director, confirmed this in a May 10 interview with CNN, adding that officials had not seen a need to alert other travelers on those flights or trace contacts, as the risk of exposure was deemed minimal. The remaining 17 passengers were assessed by a team of CDC epidemiologists when the ship docked off the Canary Islands on May 8, after which they boarded a government-chartered flight to Nebraska.
The quarantine unit in Omaha, which consists of 20 single-occupancy rooms, was originally built in 2014 to receive U.S. Citizens with Ebola virus who had been medically evacuated from Africa. In 2020, it was repurposed to care for some of the first Americans diagnosed with COVID-19. The facility’s biocontainment unit, activated for this hantavirus response, has been a critical asset in managing high-consequence infectious diseases. Nebraska Medicine officials noted that the passenger who tested positive but remains asymptomatic will be transported directly to the biocontainment unit upon arrival.
Why This Outbreak Stands Out
Hantaviruses are typically spread through exposure to rodent urine, droppings, or saliva, but the Andes strain is unique in its ability to transmit between humans. This characteristic has raised concerns among public health officials, though the CDC and WHO emphasize that the risk of wider transmission remains low. “Here’s not COVID,” Dr. Bhattacharya stated in a May 10 interview with CNN, underscoring that the virus does not spread as easily or widely as SARS-CoV-2.
Several other states, including Georgia, California, and Arizona, are monitoring U.S. Residents who disembarked the cruise ship before the outbreak was identified. However, the CDC has not recommended any additional public health measures beyond the quarantine of the repatriated passengers. The duration of their quarantine remains unclear, as physicians at the Omaha center are coordinating with federal, state, and local health departments to determine the appropriate length of monitoring.
What’s Next: The Road Ahead
As of May 10, no cases of Andes virus have been reported in the United States as a result of this outbreak, according to the CDC. The next critical checkpoint will be the completion of the 14-day quarantine period for the repatriated passengers, during which they will be closely monitored for symptoms. The CDC and WHO continue to urge travelers and the public to remain vigilant but not alarmed, emphasizing that the risk to the American public is “very low.”
For those seeking updates, the CDC’s situation summary page and the WHO’s disease outbreak news page will be updated regularly with the latest information.
Disclaimer: Hantavirus is a serious but rare disease. If you have traveled recently or have been exposed to rodents and develop symptoms such as fever, muscle aches, or difficulty breathing, seek medical attention immediately. This article is for informational purposes only and not a substitute for professional medical advice.
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