A recent outbreak of hantavirus aboard the MV Hondius cruise ship has raised alarms among health authorities. The incident, which began in early May, has resulted in three confirmed deaths and multiple infections among passengers.
The MV Hondius departed from Ushuaia, Argentina, on April 1, 2026. On April 11, a 69-year-old Dutch passenger died while the ship was in the Atlantic Ocean, having shown symptoms since April 6. His wife, who also displayed symptoms, collapsed at an airport in South Africa during the repatriation of his body and later died on April 26, with tests confirming hantavirus infection.
On May 2, a 69-year-old German woman succumbed to pneumonia aboard the ship, with her tests also returning positive for hantavirus. In total, eight individuals aboard have either fallen ill or tested positive for the virus, with seven confirmed cases currently isolated in various hospitals.
Health authorities in the UK reported that one passenger who disembarked on Tristan da Cunha is suspected of having the virus, prompting a medical evacuation operation. The ship is currently docked in Tenerife, Canary Islands, where 90 passengers have been evacuated. They will undergo isolation for up to nine weeks, while remaining passengers and crew are expected to be evacuated soon.
Hantaviruses are primarily transmitted to humans from wild rodents, typically through contact with their droppings or urine. Most strains do not spread between humans, but the Andes strain identified on the MV Hondius can be transmitted through prolonged close contact.
Dr. Iryna Krasko, an infectious disease specialist, noted that while most hantaviruses are not endemic to Ukraine, the risk of infection exists for travelers who may come into contact with contaminated environments. The Andes strain poses a unique risk due to its potential for human-to-human transmission.
Ukrainian health officials confirmed that the Andes strain has not been detected in the country, and the hantaviruses present are only capable of being transmitted from rodents to humans. The health system is prepared to manage cases, and previous infections have been successfully treated.
As of now, all individuals who had contact with the passengers are under quarantine, and tests are being conducted on those evacuated from the ship. Experts emphasize that the risk of a widespread outbreak remains low, given the limited transmission potential of hantavirus compared to other viruses like SARS-CoV-2.
Despite the seriousness of the situation, the absence of a vaccine for hantavirus remains a concern. Current treatment focuses on supportive care, including mechanical ventilation and dialysis when necessary. Experts continue to monitor the situation closely, but stress that the immediate risk for the general public, particularly in Ukraine, is minimal.
The hantavirus outbreak on the MV Hondius cruise ship has resulted in three deaths and several infections, prompting health authorities to take precautionary measures. While the Andes strain poses a unique risk for human-to-human transmission, experts assert that the overall threat remains low, especially in regions like Ukraine where the strain is not present.