Let's connect over email!
A suspected hantavirus outbreak linked to the expedition cruise ship MV Hondius has sparked concern after multiple passengers became seriously ill and three people died. Health authorities, including the World Health Organization (WHO), are now investigating the incident, which appears to involve the rare Andes strain of hantavirus.
So naturally, many cruisers are asking the same question:
Should I actually be worried?
The short answer is probably not. But it’s still worth understanding what’s going on, especially because this outbreak is unusual.
What is hantavirus?
Hantavirus is a rare virus usually spread through contact with infected rodents, particularly through droppings, urine, or saliva. People typically become infected by breathing in contaminated particles in enclosed spaces.
The virus is not new. In fact, the CDC says fewer than 900 confirmed cases have been reported in the United States since tracking began in 1993.
That’s incredibly small compared to the millions of people who cruise every year.
Most cases globally are linked to rural environments, cabins, hiking areas, farms, or locations where rodents are present. Cruise ships themselves are not normally associated with hantavirus outbreaks.
Why is this cruise outbreak making headlines?
The outbreak appears linked to the Andes strain of hantavirus, which is mainly found in parts of South America, particularly Argentina and Chile. Unlike most hantaviruses, the Andes strain has shown limited human-to-human transmission in rare cases.
According to the WHO, seven cases have been identified aboard the ship so far, including several suspected infections and three deaths.
Investigators are still trying to determine exactly where exposure happened. Some reports suggest passengers may have been exposed during excursions in South America before boarding, rather than on the ship itself.
That distinction matters because it means cruising itself may not be the source of the problem.
Should regular cruisers panic?
No. Even the WHO currently says the wider public health risk remains low.
It’s important to remember that expedition cruises are very different from mainstream Caribbean or Mediterranean sailings. Ships like the MV Hondius often visit remote wilderness regions where passengers may come into contact with environments linked to rodent activity.
Modern cruise ships already operate with strict sanitation procedures, medical protocols, and international reporting systems. The fact this outbreak was identified so quickly actually shows how closely cruise health issues are monitored internationally.
What symptoms should travellers know about?
Early hantavirus symptoms can feel a lot like flu.
Health experts say symptoms may include:
- Fever
- Fatigue
- Muscle aches
- Headaches
- Chills
- Nausea
- Abdominal pain
Later symptoms can become much more serious and may involve coughing, chest tightness, breathing difficulties, and fluid in the lungs.
Is cruising still safe?
Yes.
There’s currently no recommendation to avoid cruises, and no evidence this is becoming a wider cruise industry issue.
This appears to be an isolated and highly unusual incident involving a rare strain of virus connected to a specific voyage in South America.
My take as a cruiser
I think it’s understandable people feel uneasy seeing words like “outbreak” and “cruise ship” together again. The cruise industry still carries a bit of pandemic-era baggage whenever health stories hit the news.
But based on what we know right now, this doesn’t feel like something that should stop people booking cruises.
If anything, it’s a reminder that expedition travel comes with different risks compared to mainstream cruising. Visiting remote regions in Patagonia or Antarctica is incredible, but it’s also a very different environment than spending seven nights island hopping in the Caribbean.
For most cruisers, awareness makes sense.
Panic doesn’t.
