All of us are here with a purpose.
The MV Hondius cruise departed Argentina on April 1st for wildlife observation; by mid-April, passengers began dying from hantavirus, a rodent-borne virus spread through close contact. A Dutch couple bird-watching in Argentina's Salta province likely contracted the virus before boarding; the wife died on April 26th after leaving the ship, and a German passenger died aboard on May 2nd.
- MV Hondius departed Ushuaia, Argentina on April 1st with 175 passengers from 23 countries
- Leo Schilperoord died April 11th; his wife Mirjam died April 26th; a German passenger died May 2nd
- At least 10 confirmed or suspected hantavirus cases traced to the ship by May 10th
- Ship diverted to Spain's Canary Islands after being refused entry in Cape Verde
- Dozens of people placed in quarantine globally; exposure tracking extended to 16+ additional contacts in the US alone
A nature observation cruise in the South Atlantic became a hantavirus outbreak site, resulting in at least 3 deaths and 10 confirmed/suspected cases among 175 passengers from 23 countries, triggering global health alerts and quarantine protocols.
The captain's face was grave when he gathered the passengers in the lounge of the MV Hondius on April 12th. One of their fellow travelers had died. Jan Dobrogowski, the ship's captain, delivered the news with careful language: the man's death appeared to be from natural causes, the ship's doctor had said he was not infectious, and therefore the vessel was safe. It was a reassurance that would prove tragically incomplete.
Less than two weeks earlier, that same captain had raised a glass to celebrate the ship's departure from Argentina. The MV Hondius, a Dutch-flagged expedition vessel built to reach the world's most remote places, was carrying 175 people from at least 23 countries on what promised to be a voyage of wonder. They had come to see rare birds, whales, seals, and penguins in their natural habitats. Among them were Leo and Mirjam Schilperoord-Huisman, a Dutch couple in their late sixties who had spent months traveling through South America with binoculars around their necks, meticulously recording every species they spotted. In the weeks before boarding, they had logged nearly 6,000 bird sightings across Argentina, including a glittering-bellied emerald hummingbird and a white-throated cacholote. On a single day in Corrientes province, they had identified 77 species in 13 hours.
When the captain announced Leo's death, Mirjam was surrounded by fellow bird-watchers offering condolences and asking if she wanted the voyage shortened. She declined. "All of us are here with a purpose," she told them, according to Ruhi Cenet, a Turkish documentarian aboard. She encouraged the others to continue, saying her husband would have wanted her to do the same. Within weeks, she and at least one other passenger would be dead. The cause, health authorities would determine, was hantavirus—a family of viruses carried by rodents that can spread between humans through close contact. It was a pathogen that had traveled from the mountains of Argentina to a ship in the middle of the Atlantic Ocean, turning a luxury expedition into a floating quarantine.
The Hondius had departed Ushuaia on April 1st, and for the first two weeks, life aboard proceeded as planned. Passengers attended lectures on wildlife and astronomy, shared breakfast buffets, stood in line for ice cream socials. Jake Rosmarin, an American travel influencer, posted cheerful videos of the ship's theaters and cabins, the coffee stations and dining areas. When the ship reached South Georgia, passengers underwent biosecurity protocols—their boots were disinfected, rotating blue brushes scrubbed their legs as if they were passing through a car wash. They were told this would kill everything. On Easter Sunday, they dined on roasted trout and lamb. By April 6th, Leo had recorded his final bird sighting: an Antarctic tern, a king penguin, and a South Georgia pipit. Then he fell ill.
Five days later, after receiving intensive care in the ship's infirmary, he died. The captain's announcement came the next day. The passengers, unaware of any viral threat, continued their routines. They attended cooking demonstrations and craft afternoons where they learned to crochet. On April 13th, the ship arrived at Tristan da Cunha, a British territory with just over 200 residents. Passengers disembarked for tours, visited the school and the pub, drank with locals at the Albatross bar in what witnesses described as a moment "full of laughter and stories." Some attended a memorial service for Leo at a local church. No one knew they were carrying a virus that would soon claim more lives.
By late April, Mirjam began to fall ill. She held tight to the ship's railings and accepted help from other passengers, whom she called her "protective angels." When the ship reached Saint Helena on April 22nd, she disembarked, planning to fly to Johannesburg with her husband's remains and then home to the Netherlands. But her condition worsened. Dutch flight attendants cared for her without protective equipment, then served snacks and drinks to the rest of the passengers. She was deemed too ill to continue beyond Johannesburg and was taken by ambulance to a clinic, where she died on April 26th. Tests later confirmed she had hantavirus. The next day, another passenger was evacuated from Ascension Island with confirmed hantavirus infection. By early May, the ship's own doctor—who had treated the Dutch couple—had fallen ill, along with at least one crew member and a German passenger.
On May 2nd, the German woman died aboard the ship. When the Oceanwide Expeditions company finally announced on May 3rd that there was a "grave medical situation" on the Hondius, the world took notice. A ship in the middle of the Atlantic carrying a deadly virus, with passengers from dozens of countries—it was a scenario that sent health officials scrambling. When the Hondius arrived in Cape Verde on May 3rd, passengers were not allowed to disembark. Ann Lindstrand, the World Health Organization's representative in Cape Verde, said the alert made her "jump out of my chair." She initially feared it might be "a new COVID." The ship was diverted to Spain's Canary Islands, but local leaders there fought the decision, with one official even sending a screenshot of an AI search claiming rats were excellent swimmers and could survive long periods in water. Spain's health minister responded with a technical report explaining that rats associated with hantavirus infections are not good swimmers, and it was unlikely there were rats on the ship anyway.
By May 6th, the Hondius was sailing toward the Canaries. Emin Yogurtcuoglu, a Turkish bird-watcher who posted online as "bird detective," spotted a Leach's storm petrel and continued recording sightings on eBird. On May 9th, as Spanish civil defense aircraft circled overhead, he posted that their ocean crossing had officially ended. People in white protective suits approached the ship. When the last passengers finally left on the evening of May 10th, bound for chartered planes and weeks of quarantine, health authorities across the globe were racing to track and test anyone who might have been exposed. The Hondius sounded its horn four times and turned back toward open water for the long voyage home to the Netherlands, where it would be disinfected. By then, at least ten cases of hantavirus had been traced to the ship—eight confirmed, two suspected—with three deaths attributed to the virus and strong suspicion about a fourth. Dozens of people around the world were in quarantine, monitoring themselves for symptoms that could appear up to six weeks after exposure.
Citações Notáveis
The ship's doctor said the man was not infectious, so the ship is safe.— Captain Jan Dobrogowski, April 12th
This makes us jump out of our chair. At first, I feared it could be a new COVID.— Ann Lindstrand, WHO representative in Cape Verde
A Conversa do Hearth Outra perspectiva sobre a história
How does a virus that lives in rodents end up on a ship in the middle of the ocean?
The couple almost certainly picked it up in Argentina before they boarded. They'd been traveling through Salta province, where there's a known history of hantavirus infections. They were meticulous bird-watchers—they recorded everything they saw. But they never recorded visiting a landfill near Ushuaia that some people later speculated was the source. The truth is, we don't know exactly where they encountered it.
And then they just... got on a ship with 175 other people?
Yes. There was no screening, no way to know. The virus has an incubation period of up to six weeks. Leo died on April 11th, just ten days after boarding. By then, he'd been eating in shared dining rooms, attending lectures, breathing the same air as everyone else. His wife was still healthy. No one suspected anything.
The captain said the first death was from natural causes. Did he actually believe that?
He said the ship's doctor told him the man wasn't infectious, so the ship was safe. That was the information he had. But hantavirus doesn't announce itself. It looks like flu at first. By the time you know what it is, you've already exposed dozens of people in close quarters.
What strikes me is that people kept bird-watching even after they knew someone had died.
Mirjam encouraged them to continue. She said her husband would have wanted that. And for a while, they did—they went ashore, they visited towns, they drank with locals. The ship's doctor got sick treating the couple. A German passenger died. And still, people were posting bird sightings on eBird, spotting storm petrels while Spanish helicopters circled overhead.
It's almost like the voyage couldn't stop, even as it was killing people.
That's exactly what happened. The ship kept moving, kept stopping at islands, kept letting people off and taking them on. By the time anyone said the word "hantavirus," the virus had already traveled to three continents. The real tragedy is that no one knew until it was too late.