There are bad cruises, rough cruises, and then there are voyages that end with the World Health Organisation coordinating an international disease response while frightened passengers remain locked inside their cabins somewhere off West Africa.
Welcome aboard the Hondius, the Dutch-flagged expedition vessel now making headlines for all the wrong reasons.
The luxury polar expedition ship, usually associated with icy landscapes, adventurous retirees and expensive binoculars, has instead become the centrepiece of an escalating international health emergency after another passenger contracted hantavirus, the disease already linked to three deaths aboard the vessel.
And just when the global cruise sector thought it had finally escaped the long shadow of pandemic headlines, along comes another medical curveball from the high seas.
The latest confirmed case involves a Swiss male passenger who travelled aboard the Hondius during its Atlantic crossing from Argentina. After returning home to Switzerland, he reportedly responded to an email from the ship’s operator and was later diagnosed with the disease. He is currently being treated at a hospital in Zurich.
The outbreak has now triggered a coordinated international response under the UN World Health Organisation’s International Health Regulations framework, diplomatic language which, in plain English, means health authorities across multiple countries are now urgently trying to track passengers before the virus spreads further.
The WHO confirmed that eight infections have now been identified, with laboratory testing confirming at least three cases of Andes hantavirus, one of the more dangerous strains associated with severe respiratory illness and high fatality rates.
For an industry built on cocktails, buffets and glossy brochures promising “escape”, this is the sort of publicity cruise operators dread more than a cyclone in peak season.
In a statement posted on X, the WHO said:
“In line with the International Health Regulations (IHR), WHO is working with relevant countries to support international contact tracing, to ensure that those potentially exposed are monitored and that any further disease spread is limited.”
WHO Director-General Tedros Adhanom Ghebreyesus also confirmed that three passengers had been medically evacuated from the vessel and transported to the Netherlands for treatment.
“At this stage, the overall public health risk remains low,” Tedros stressed, although one suspects that reassurance may be offering limited comfort to passengers currently confined to their cabins aboard a quarantined expedition ship.
And make no mistake, the atmosphere onboard is reportedly tense.
Speaking during a Geneva media briefing, WHO epidemic preparedness chief Maria Van Kerkhove acknowledged the fear gripping those still aboard.
“We have heard from quite a few people, you know, on the boat,” she said.
“We just want you to know we are working with the ship’s operators. We are working with the countries where you are from. We hear you. We know that you are scared.”
That is not the sort of quote cruise marketing departments like framed on brochures beside photos of smiling passengers in matching parkas.
The Hondius itself is no ordinary cruise liner. Built in Croatia and launched in 2018, the 108-metre expedition vessel specialises in polar exploration voyages and remote adventure itineraries. Named after famed 17th-century Dutch cartographer Jodocus Hondius, the ship was designed for environmentally conscious exploration tourism and carries up to 196 passengers alongside 72 crew.
Its maiden Arctic voyage in 2019 helped establish the vessel as one of the boutique stars of the booming expedition cruise market, a lucrative niche sector that has exploded in popularity among affluent travellers seeking experiences beyond conventional cruising.
Now, however, the ship sits anchored off Cabo Verde under intense international scrutiny.
Authorities believe the infected passengers may have contracted the virus before boarding, an important distinction because hantavirus is not generally considered highly transmissible between humans, except for specific strains such as Andes hantavirus.
Even so, public health agencies are taking no chances.
Passengers have been instructed to remain isolated in their cabins while disinfection measures continue onboard. Once the ship reaches the Canary Islands, Spanish health authorities are expected to conduct a full epidemiological investigation and supervise extensive sanitisation procedures before determining whether remaining passengers may disembark safely.
Meanwhile, international laboratories continue working to identify and trace the virus.
The WHO said support has come from multiple specialist institutions, including South Africa’s National Institute for Communicable Diseases, Geneva University Hospitals, the Pasteur Institute in Dakar, and Argentina’s National Administration of Health Laboratories and Institutes.
One infected passenger remains in intensive care in South Africa, although officials say the individual’s condition is improving.
For the wider travel sector, the timing could scarcely be worse.
The cruise industry has spent years rebuilding public confidence after the catastrophic reputational damage suffered during COVID-19. Operators invested billions in enhanced sanitation protocols, medical facilities and passenger reassurance campaigns aimed at convincing travellers the industry had learned hard lessons.
This latest outbreak, while far smaller in scale, is a sharp reminder that infectious disease risks remain an unavoidable reality in global travel, particularly aboard vessels carrying international passengers through remote regions.
And therein lies the challenge for the modern cruise sector.
Today’s expedition ships market isolation, remoteness and adventure as premium selling points. Unfortunately, those same qualities can rapidly become liabilities during a medical emergency requiring evacuation logistics, international coordination and disease containment.
Still, health officials continue emphasising that the overall risk to the broader public remains low.
For now, the WHO says its “highest priority” is to ensure that sick passengers receive proper medical treatment while authorities continue to monitor those who may have been exposed.
Behind the scenes, however, one can safely assume cruise executives worldwide are watching developments aboard the Hondius with considerable unease and perhaps cancelling a few internal meetings titled “Back to Smooth Sailing”.
Because in travel, as every seasoned operator knows, it only takes one outbreak, one stranded ship, or one frightening headline to send nervous holidaymakers back to dry land.
And this particular voyage still appears to have several uncomfortable chapters remaining.
by Jill Walsh – (c) 2026.
Read Time: 5 minutes.
About the Author.
Jill Walsh has always kept a pen close and a suitcase closer. She started out on media releases, then learned the trade properly by escorting press trips around the world, discovering which stories travel well and which need a sharper edit.
Before long, she wasn’t just promoting destinations, she was representing them, translating civic ambition and local pride into words people actually wanted to read. These days, semi-retired and happily so, Jill has traded departure boards for deadlines, joining old friend and colleague Stephen at Global Travel Media on a casual basis.
Her patch is the business end of wanderlust: balance sheets, route maps, tender wins and the numbers that quietly decide where travellers go. She writes with dry humour, clean prose and an old-school respect for facts, a steady voice when the market starts shouting.
