Seventeen Americans evacuated from the hantavirus-stricken cruise ship MV Hondius arrived in Omaha, Nebraska, early Monday, May 11, 2026. One passenger tested mildly PCR positive
for the Andes virus, while another exhibited symptoms. Both are being monitored at the National Quarantine Unit at the University of Nebraska Medical Center.
The arrival of the repatriation flight at Eppley Airfield marks the latest escalation in a public health crisis centered on the MV Hondius. The evacuation, coordinated by the U.S. government, involved a chartered aircraft equipped with biocontainment units to prevent any potential leak of the virus during transit. Upon landing, a convoy consisting of an ambulance and multiple buses transported the passengers directly to the National Quarantine Unit at the University of Nebraska Medical Center.
The Department of Health and Human Services (HHS) confirmed that two of the American passengers required high-level isolation. One individual began showing symptoms of hantavirus during the flight, while another tested mildly PCR positive for the Andes virus
. According to a statement from the University of Nebraska Medical Center, the passenger who tested positive was not experiencing symptoms at the time of the test.
To mitigate the risk of transmission, HHS reported that these two individuals were travelling in the plane’s biocontainment units out of an abundance of caution
.
The Andes Virus and Human-to-Human Transmission
The specific strain identified in this outbreak, the Andes virus, represents a significant departure from typical hantavirus behavior. While hantaviruses are generally transmitted to humans through contact with rodent urine, droppings, or saliva, the Andes strain is rare because it can be transmitted from person to person.
This capability changes the epidemiological profile of the outbreak from a localized environmental hazard to a potential contagion event. The presence of an asymptomatic but PCR-positive passenger underscores the difficulty of screening for the virus based on symptoms alone. In a confined environment like a cruise ship, the potential for rapid spread is heightened, as the virus can move through a population without immediate clinical indicators in every carrier.
Global Toll and the MV Hondius Outbreak
The crisis on the MV Hondius has already resulted in significant casualties. There have been at least nine confirmed or suspected cases of hantavirus linked to the vessel. The outbreak has claimed three lives: a German woman and a Dutch couple.
The contagion has extended beyond the ship’s passengers to those on repatriation flights. On Sunday, French Prime Minister Sébastien Lecornu announced that a French citizen began showing symptoms during a flight home. The French health minister later confirmed via France Inter radio that the woman tested positive for hantavirus and that her condition has deteriorated.
The MV Hondius reached the Granadilla Port in Tenerife, part of the Canary Islands in Spain, on May 10, 2026. The ship’s arrival in port follows a series of evacuations aimed at isolating the infected and those exposed to the virus.
Quarantine Protocols and Institutional Response
The decision to route American passengers to the University of Nebraska Medical Center reflects the specialized nature of the facility’s National Quarantine Unit. The center is equipped to handle high-consequence pathogens, providing the necessary isolation infrastructure to ensure that the Andes virus does not enter the general population.
The coordinated response involving the HHS and the University of Nebraska indicates a high level of concern regarding the virus’s stability and transmission rate. The use of biocontainment units on the flight suggests that health officials are operating under a worst-case scenario regarding the potential for airborne or close-contact spread among the evacuees.
French authorities have mirrored this caution. Prime Minister Lecornu stated on social media that five passengers, including the symptomatic French citizen, were immediately placed in strict isolation until further notice
to undergo testing.
Public Health Implications of the Outbreak
The MV Hondius incident highlights a critical vulnerability in international travel: the intersection of rare zoonotic diseases and high-density transit. When a virus capable of person-to-person transmission emerges in a closed environment, the window for containment is narrow.
The fact that a passenger tested positive while remaining asymptomatic suggests that the virus may have a period of silent shedding. If the Andes strain can be transmitted by individuals who do not feel ill, the efficacy of standard temperature checks and visual screenings at borders is neutralized.
Medical professionals are now tasked with determining the exact window of infectivity for the Andes strain and whether the current isolation protocols are sufficient to halt further spread. For the 17 Americans now in Nebraska, the coming days of monitoring will be critical in determining if the mildly
positive result indicates a self-limiting infection or the onset of a more severe clinical course.