One American Tests Positive and Another Symptomatic in Andes Hantavirus Cruise Crisis
Nikhil Prasad Fact checked by:Thailand Medical News Team May 11, 2026 1 hour, 4 minutes ago
Medical News: A growing Andes hantavirus outbreak aboard the expedition cruise ship MV Hondius has triggered an international public health response after multiple infections and deaths were linked to passengers traveling through the Atlantic region. U.S. authorities confirmed on May 11, 2026, that two American passengers are now being transported back to the United States inside specialized biocontainment units as health officials race to prevent further spread of the rare and potentially lethal virus.
Two Americans from the MV Hondius outbreak are flown in sealed biocontainment units after one tested positive
and another developed symptoms of Andes hantavirus
The emergency repatriation operation comes as passengers disembarked in Tenerife in Spain’s Canary Islands before boarding chartered flights back to their home countries. The outbreak has already resulted in at least nine confirmed and probable infections onboard, including two confirmed deaths and another suspected fatality.
Americans Placed in High Security Medical Isolation
According to the U.S. Department of Health and Human Services, one American passenger has tested PCR positive for Andes hantavirus, while another is showing mild symptoms consistent with infection. Although officials stressed that both individuals currently remain in mild condition, they are being transported under strict containment protocols “out of an abundance of caution.”
The infected passenger is reportedly asymptomatic but has already been separated from the rest of the travelers using advanced airborne biocontainment systems during transport. The second passenger, who is mildly symptomatic, will undergo extensive clinical evaluation at another designated treatment center after arrival in the United States.
Both passengers are being transferred to specialized Regional Emerging Special Pathogen Treatment Centers linked to the University of Nebraska Medical Center and Nebraska Medicine in Omaha. The facilities are internationally recognized for managing dangerous infectious diseases including Ebola and other high risk viral pathogens.
Rare Virus Sparks Global Concern
The Andes virus is a rare form of hantavirus primarily found in South America and is considered especially dangerous because of its ability, though uncommon, to spread from person to person. Most hantaviruses infect humans through exposure to infected rodent waste, but Andes hantavirus has raised alarm among scientists due to documented human transmission events.
In severe cases, the virus can trigger hantavirus pulmonary syndrome, a rapidly progressing and life-threatening lung infection that can lead to respiratory failure. Early symptoms often resemble flu like illness before deteriorating into severe breathing complications.
Health authorities confirmed that the remaining 15 American passengers from the MV Hondius are also being closely monitored at the National Quarantine Unit in Nebraska as part of containment procedures.
This
Medica
l News report highlights growing international concern over cruise ship outbreaks involving rare zoonotic viruses, especially those capable of limited human transmission. Public health teams are now coordinating passenger tracing and medical surveillance across several countries linked to the voyage.
Growing Fears Over Additional Hidden Cases
Medical experts warn that the number of infections could still rise because hantavirus symptoms may take days or even weeks to fully emerge after exposure. Authorities continue investigating how transmission occurred onboard and whether additional passengers or crew members may already be infected but undiagnosed.
While officials currently describe the overall risk to the public as low, the deployment of high-level biocontainment transport systems signals the seriousness with which U.S. health agencies are treating the situation. The rapid response may prove critical in preventing a wider international health emergency linked to the deadly Andes virus strain.
For the latest hantavirus news, keep on logging to Thailand
Medical News.
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