A suspected hantavirus outbreak aboard a transatlantic cruise has left passengers stranded at sea, as multiple deaths and confirmed cases prompt strict quarantine measures.
A luxury expedition meant to inspire awe and adventure has spiraled into a nightmare at sea, as a suspected hantavirus outbreak leaves three passengers dead, others fighting for their lives, and nearly 150 people trapped aboard a ship now eerily anchored off the coast of Africa.
Cruise ship MV Hondius stationary off the port of Praia, the capital of Cape Verde, on May 5, 2026. | Source: Getty Images
What began as a month-long voyage across more than 6,000 miles of open ocean has turned into a chilling ordeal of fear, isolation, and mounting uncertainty — with authorities refusing to let anyone disembark.
Deaths, Desperation, and a Virus Few Understand
A hantavirus outbreak has been reported aboard a cruise ship in the Atlantic, following multiple deaths and confirmed infections among passengers. Two cases of the rare virus have been confirmed after three people died during the voyage.
Cruise ship MV Hondius stationary off the port of Praia, the capital of Cape Verde, on May 5, 2026. | Source: Getty Images
According to the ship’s operator, Oceanwide Expeditions, the victims include a Dutch couple and a German passenger. The Dutch woman tested positive for hantavirus. Another case was confirmed in a 69-year-old British passenger, who was evacuated to a hospital in South Africa for intensive care.
Additional concerns remain on board. Two crew members — one British and one Dutch — are suspected to have contracted the virus, though their cases have not been confirmed. A close contact of the German passenger is also set to be evacuated for further evaluation.
Cruise ship MV Hondius stationary off the port of Praia, the capital of Cape Verde, on May 4, 2026. | Source: Getty Images
Trapped at Sea as Authorities Refuse Landing
The MV Hondius is currently anchored near Cape Verde, off the west coast of Africa. The ship was scheduled to dock on Tuesday, but local authorities had barred passengers from disembarking due to safety concerns. Approximately 150 passengers from 23 countries remain on board.
The operator said strict precautionary measures are in place, including isolation and enhanced hygiene protocols. The vessel departed from Argentina about a month ago and has traveled more than 6,000 miles at sea. Health authorities have provided further context as the situation continues to develop.
A photo showing passengers on the cruise ship at sea before the outbreak, taken from a video posted on May 1, 2026 | Source: Facebook/khabir.moraes
Hantavirus is typically transmitted through contact with infected rodents, including their saliva, urine, or droppings. It can lead to severe respiratory illness, though transmission between humans is considered rare.
The World Health Organization (WHO) is currently working with Spanish authorities to determine the next steps for the vessel. Officials are considering allowing the ship to continue to the Canary Islands, where a full risk assessment could be conducted while passengers remain on board.
Dr. Maria Van Kerkhove, WHO’s director for epidemic and pandemic preparedness, said some level of human-to-human transmission could not be ruled out in this case. She noted that several individuals had close contact, including shared cabins, which may have contributed to the spread.
She also suggested the initial exposure may have occurred before the voyage began in Argentina or during stops along the route, where rodents may have been present. At the same time, WHO emphasized that the broader public risk remains low. Officials stated that hantavirus does not spread in the same way as viruses such as influenza or COVID-19.
A photo showing passengers on the cruise ship at sea before the outbreak, taken from a video posted on May 1, 2026 | Source: Facebook/khabir.moraes
In a statement, the WHO reported that since the ship departed on April 1, seven people among passengers and crew have fallen ill. Of those, three have died, one remains in critical condition, and three are experiencing mild symptoms.
The organization said it is working with national health authorities and the ship’s operator to provide guidance and support. Monitoring efforts are ongoing, and further updates are expected as more information becomes available. Amid the uncertainty, passengers on board have begun sharing their experiences.
A photo showing passengers on the cruise ship at sea before the outbreak, taken from a video posted on May 1, 2026 | Source: Facebook/khabir.moraes
Passengers Speak Out
In a video posted online, one passenger described the emotional strain of the situation, adding, “We’re not just a story, we’re not just headlines, we’re people, people with families, with lives, with people waiting for us at home.” He added that the uncertainty has been the most difficult aspect, noting that passengers are seeking safety, clarity, and a way to return home.
Despite the concerns, he also acknowledged the response from the ship’s operator. In a caption accompanying the video, he said Oceanwide Expeditions and the crew had been handling the situation to the best of their ability and expressed gratitude for their efforts.
In a follow-up post, the same passenger shared an update on conditions onboard. He said he was doing well and indicated that the overall situation had stabilized. He also posted a video showing a sunset at sea, with a message suggesting a sense of continuity and hope.
In his caption, he noted that it had taken time to process the situation and reassured others that passengers were safe. He added that the focus remained on maintaining safety and keeping everyone informed, while thanking supporters for their messages.
Authorities in Cape Verde have maintained strict quarantine measures as the situation continues to be monitored. Maria da Luz, president of the Cape Verdean Public Health Institute, said no passengers have been allowed to leave the MV Hondius, which remains anchored near the Port of Praia.
She confirmed that health teams have already conducted two missions onboard and that at least one diagnosed patient is receiving treatment. Medical experts say treatment options for hantavirus remain limited. David Safronetz, chief of special pathogens at Canada’s National Microbiology Laboratory, said there are no specific vaccines or antiviral treatments available.
A photo of the cruise ship at sea before the outbreak, taken from a video posted on May 1, 2026 | Source: Facebook/khabir.moraes
He explained that care is primarily supportive, focusing on early detection, medical monitoring, and access to appropriate healthcare facilities. Oceanwide Expeditions also issued an update to passengers. In a letter, the company said it was managing a serious medical situation and awaiting approval from Cape Verdean authorities to allow disembarkation.
The operator noted that priority would be given to those requiring urgent medical care. The letter also confirmed that a passenger with severe symptoms had died overnight. At the time of the update, the company said it had not yet received authorization for anyone to leave the vessel.
Cruise ship MV Hondius stationary off the port of Praia, the capital of Cape Verde, on May 4, 2026. | Source: Getty Images
As updates continue to emerge, online reactions reflect growing concern about the situation. Some people focused on the conditions onboard, with one writing, “No cure and nowhere to run while the Atlantic keeps moving feels heavier than usual.” Others described the situation as “sad” and “scary,” pointing to the uncertainty surrounding the outbreak.
Several comments highlighted fears about containment. One person wrote, “That sounds terrifying, hope it’s contained fast.” Another described the developments as “tragic news,” offering condolences to the families of those who died and wishing recovery for the patient in intensive care.
New developments have emerged as health officials continue monitoring the suspected hantavirus outbreak aboard the MV Hondius. World Health Organization Director-General Tedros Adhanom Ghebreyesus said three patients with suspected cases have now been evacuated from the ship and are being transported to the Netherlands.
WHO also shared an update on X, stating that as of May 6, there are eight reported cases linked to the outbreak, three of which have been confirmed through laboratory testing as hantavirus.
The organization added that it is continuing to work with health authorities and the ship’s operator to support passengers, crew members, and close contacts as efforts continue to prevent further spread.
Additional findings have also emerged from South African health officials. According to reports, authorities identified the Andes strain of hantavirus in two passengers from the ship. The strain is notable because it may be capable of human-to-human transmission, unlike most forms of the virus.
Meanwhile, family members of the Dutch couple who died during the outbreak released a statement reflecting on the loss. The 69-year-old woman had been transported to South Africa after becoming ill, but later collapsed at an airport while attempting to return to the Netherlands.
A plane carrying some of the people believed infected with hantavirus passengers from the cruise ship MV Hondius, takes off from the Nelson Mandela International airport of Praia, the capital of Cape Verde, on May 6, 2026. | Source: Getty Images
“We are still unable to comprehend that we have lost them,” the family added. “We wish to bring them home and commemorate them in peace and privacy.”
New accounts from passengers are providing additional insight into conditions aboard the quarantined MV Hondius as the suspected hantavirus outbreak continues to be investigated. One passenger, Ms. Lane, spoke about the atmosphere onboard after the first illnesses were reported.
As one of the 149 passengers on the vessel, she said many people initially did not understand the seriousness of the situation. “The real shock was when the first people died because we just didn’t know what this was,” she said. She explained that passengers first believed one of the deaths may have been unrelated to a broader health issue.
Health personnel returning from the cruise ship MV Hondius, are seen at the port of Praia, the capital of Cape Verde, as individuals wearing hazmat suits are helped into an ambulance on May 6, 2026. | Source: Getty Images
Ms. Lane also described the timeline surrounding the Dutch couple linked to the outbreak. “He got sick before St Helena, and that man was deceased on the ship for several days before we got to St Helena,” she said. “His wife left the ship at St Helena – both were supposed to be going to Johannesburg. But then she died.”
At the same time, investigators are continuing to examine how the virus may have first been introduced on board. According to two Argentine officials involved in the investigation, authorities currently believe the Dutch couple may have contracted the virus before boarding the ship in Ushuaia, Argentina.
The officials said the couple had reportedly visited a landfill area while bird-watching and may have been exposed to infected rodents there. The officials spoke anonymously because the investigation remains ongoing and has expanded beyond the ship itself, with health authorities in Europe now tracing possible contacts linked to passengers who disembarked.
Swiss officials confirmed a hantavirus case involving a passenger from the MV Hondius. According to reports, the individual sought medical care in Zurich after responding to an email sent by the ship’s operator informing passengers about the health situation on board.
A person in a hazmat suit is escorted to a ambulance from a medical aircraft allegedly carrying some of the passengers from the cruise ship MV Hondius believed to be infected with hantavirus, at Schiphol airport near Amsterdam on May 6, 2026. | Source: Getty Images
The patient is currently receiving treatment, while authorities work to identify and monitor potential contacts. Officials noted that the strain involved may be capable of human-to-human transmission, increasing concern among health agencies.
At the same time, investigators in Argentina are continuing efforts to determine whether the outbreak originated there. The cruise ship had departed from Ushuaia, a southern Argentine city that serves as a gateway for Antarctic expeditions.
Health workers in protective gears transfer patients with an ambulance after three suspected cases of hantavirus is evacuated from a ship in Praia, Cape Verde, on May 6, 2026. | Source: Getty Images
Public health experts have pointed to a broader rise in hantavirus cases across Argentina in recent years. Some researchers have linked the increase to environmental changes and shifting climate conditions that may be affecting rodent populations, which are known to spread the virus.
According to the World Health Organization, Argentina has one of the highest reported rates of hantavirus in Latin America. The ongoing investigation is now focused on tracing possible exposure points before passengers boarded the vessel.
At the same time, some passengers have attempted to reassure the public about conditions on board. One passenger shared on Instagram Stories that most people on the ship had remained calm and said, “the situation was blown out of proportion.”
Message shared on IG stories of one of the passenger’s aboard the doomed ship | Source: Instagram/stories/ibnhattuta
Concerns also remain over how long passengers may be required to stay on board. Emergency medicine physician Sampson Davis said quarantine periods associated with hantavirus exposure can last several weeks.
He noted that while symptoms can appear quickly, the virus may take up to eight weeks to fully develop in some cases, meaning passengers could face an extended quarantine period as monitoring continues.