Three individuals have lost their lives, while one person is in critical condition in intensive care following a suspected outbreak of hantavirus on the MV Hondius, a cruise ship operated by Oceanwide Expeditions. The vessel is currently docked in Cape Verde and was sailing across the Atlantic Ocean when the incident occurred. At least two crew members who are still aboard are showing symptoms consistent with the virus. Authorities have not yet allowed passengers to leave the ship, as containment protocols are still in effect. This event has prompted immediate concern among international health agencies, who are closely monitoring the situation.
The World Health Organization (WHO) has confirmed that one of the three deaths is officially linked to hantavirus, while investigations are ongoing into the other fatalities. Preliminary reports indicate that the victims include a German national and a Dutch couple. A British citizen tested positive for hantavirus after being transported to a hospital in South Africa for specialized care. Health officials are continuing to trace contacts and assess possible exposure risks among the approximately 150 passengers and 60 crew members currently confined to the ship under strict monitoring conditions.
The MV Hondius had set sail from Argentina about three weeks ago, heading towards the Canary Islands, which are located off the coast of northwestern Africa, when the first suspected cases began to emerge. Passengers reported early symptoms resembling a flu-like illness, prompting onboard medical evaluations and eventual intervention by international health authorities. The WHO has previously stated that “Hantavirus infections are caused by contact with rodent excreta, particularly in enclosed or poorly ventilated spaces,” emphasizing the environmental conditions that can facilitate transmission.
Hantavirus remains a rare but potentially fatal disease, typically contracted through inhalation of airborne particles contaminated by dried rodent urine, droppings, or saliva. Early symptoms include fever, chills, muscle aches, and headaches, which can rapidly progress to severe respiratory distress. In more serious cases, the infection can lead to hantavirus pulmonary syndrome, a life-threatening condition. According to the U.S. Centers for Disease Control and Prevention, “Hantavirus pulmonary syndrome has a mortality rate of approximately 38 percent in the United States.”
The current situation has revived memories of previous outbreaks aboard cruise ships, where confined environments and shared facilities can accelerate the spread of infectious diseases. The global public first became widely aware of such risks during the COVID-19 pandemic, when cruise vessels were among the earliest sites of large-scale outbreaks. More recently, in 2025, a norovirus outbreak affected more than 230 individuals on another cruise ship, highlighting ongoing vulnerabilities in maritime health safety protocols despite enhanced preventive measures.
As the Hondius remains docked, authorities in Cape Verde and international health organizations are coordinating efforts to manage the situation and prevent further transmission. Testing, isolation, and sanitation procedures are ongoing, while passengers remain on board awaiting authorization to disembark. The situation continues to evolve as medical teams work to stabilize affected individuals and determine the full scope of the outbreak, with health officials closely monitoring all suspected and confirmed cases.
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