Canada confirms first hantavirus case linked to MV Hondius cruise ship outbreak: Passenger in British Columbia in isolation
Canada just confirmed its first hantavirus case tied to the MV Hondius cruise ship outbreak. One passenger from British Columbia has tested “presumptively positive” for the Andes strain, the only hantavirus known to spread between people, though rarely. Right now, he’s in hospital isolation in Victoria. The test results aren’t final, but national lab experts in Winnipeg are reviewing them.
As reported by Reuters, authorities say his symptoms are mild, and the overall risk to the public is low. Even so, it’s a turning point in what’s become one of the most closely watched disease incidents this year.
Canada confirms first hantavirus case: What we knowPer the BBC, the trouble started weeks ago, when Oceanwide Expeditions’ MV Hondius left Ushuaia, Argentina, for Antarctica. As it cruised remote islands, several passengers got sick with severe respiratory symptoms. At first, people thought the deaths on board were just isolated incidents. Then labs in South Africa found hantavirus in some critically ill passengers. Since then, health agencies have linked at least 11 cases and three deaths to this outbreak.
The Canadian patient is one of four people from BC and Yukon who returned from the cruise and went straight into isolation on Vancouver Island. Provincial health officer Dr. Bonnie Henry says the infected passenger came down with mild fever and headache before heading to the hospital for observation. His partner tested negative but is still under medical watch, and another person from the same accommodation is hospitalized, just in case. The fourth exposed traveller is isolating at home with daily health checks.
Officials say none of the Canadians had contact with the public during their return, so there’s little risk of wider spread.
What makes this situation really strange is the Andes strain itself. Most hantaviruses spread to people after contact with infected rodents, especially their urine and droppings. But the Andes virus isn’t like the others. It’s the only known hantavirus that can transmit directly from person to person, although it still isn’t easy to catch.
Per experts, one actually needs close and prolonged contact — something like usually sharing living spaces or bodily fluids while someone is symptomatic. That’s why the cruise ship environment became a big concern and triggered such an aggressive response.
MV Hondius: Where it all startedThe MV Hondius carried almost 150 people from more than 20 countries. As cases started showing up, countries launched urgent tracing, quarantine, and testing involving returning passengers and their contacts. Protocols and isolation measures were rolled out in Britain, France, Canada, Spain, the US, Australia, and more.
France’s Pasteur Institute did genetic sequencing on the virus, and the results matched existing South American Andes strains: no new mutations, no sign of higher transmissibility. That’s been reassuring for scientists who worried this outbreak would unleash a nastier variant.
But how exactly did the virus get on the ship? Scientists think some passengers probably got exposed during land trips in South America, especially in places where local rodents carry the Andes virus. Passengers reportedly visited parts of Argentina and Chile before boarding the Hondius in Ushuaia. After the initial exposure, the virus spread among close contacts aboard.
As the crisis grew, the ship became isolated. Cape Verde couldn’t handle the evacuation, and the Canary Islands hesitated to let the Hondius dock. Eventually, passengers flew home under tight health supervision.
There’s been no shortage of dramatic scenes. British military medics parachuted onto Tristan da Cunha to help a stricken traveller, and others were evacuated to hospitals in Europe, South Africa, and South America.
How to tackle the hantavirus outbreakDespite those reassurances, epidemiologists aren’t letting their guard down. Hantavirus infections can turn severe fast. Early signs look just like regular flu; think fever, headache, fatigue, chills, nausea, and more. But sometimes, it turns into hantavirus pulmonary syndrome (HPS), which can fill the lungs with fluid, cause breathing problems, and lead to heart failure. The fatality rate for severe Andes virus infections has reached 40–50% in some outbreaks.
Doctors say symptoms can show up anywhere from one to eight weeks after exposure. That’s why some passengers are still being monitored even after negative test results.
And despite scary headlines, experts keep saying this won’t turn into a global pandemic. WHO, the European Centre for Disease Prevention and Control, and Canadian health officials all rate the risk as low. Andes virus transmission is limited and far tougher than COVID or the flu.
Still, scientists say this outbreak is a wake-up call about how fast rare diseases travel the world in an age of global tourism. For now, Canadian officials keep monitoring exposed individuals and await final lab confirmation for the BC patient.
As reported by Reuters, authorities say his symptoms are mild, and the overall risk to the public is low. Even so, it’s a turning point in what’s become one of the most closely watched disease incidents this year.
Canada confirms first hantavirus case: What we knowPer the BBC, the trouble started weeks ago, when Oceanwide Expeditions’ MV Hondius left Ushuaia, Argentina, for Antarctica. As it cruised remote islands, several passengers got sick with severe respiratory symptoms. At first, people thought the deaths on board were just isolated incidents. Then labs in South Africa found hantavirus in some critically ill passengers. Since then, health agencies have linked at least 11 cases and three deaths to this outbreak.
The Canadian patient is one of four people from BC and Yukon who returned from the cruise and went straight into isolation on Vancouver Island. Provincial health officer Dr. Bonnie Henry says the infected passenger came down with mild fever and headache before heading to the hospital for observation. His partner tested negative but is still under medical watch, and another person from the same accommodation is hospitalized, just in case. The fourth exposed traveller is isolating at home with daily health checks.
Officials say none of the Canadians had contact with the public during their return, so there’s little risk of wider spread.
What makes this situation really strange is the Andes strain itself. Most hantaviruses spread to people after contact with infected rodents, especially their urine and droppings. But the Andes virus isn’t like the others. It’s the only known hantavirus that can transmit directly from person to person, although it still isn’t easy to catch.
Per experts, one actually needs close and prolonged contact — something like usually sharing living spaces or bodily fluids while someone is symptomatic. That’s why the cruise ship environment became a big concern and triggered such an aggressive response.
MV Hondius: Where it all startedThe MV Hondius carried almost 150 people from more than 20 countries. As cases started showing up, countries launched urgent tracing, quarantine, and testing involving returning passengers and their contacts. Protocols and isolation measures were rolled out in Britain, France, Canada, Spain, the US, Australia, and more.
France’s Pasteur Institute did genetic sequencing on the virus, and the results matched existing South American Andes strains: no new mutations, no sign of higher transmissibility. That’s been reassuring for scientists who worried this outbreak would unleash a nastier variant.
But how exactly did the virus get on the ship? Scientists think some passengers probably got exposed during land trips in South America, especially in places where local rodents carry the Andes virus. Passengers reportedly visited parts of Argentina and Chile before boarding the Hondius in Ushuaia. After the initial exposure, the virus spread among close contacts aboard.
As the crisis grew, the ship became isolated. Cape Verde couldn’t handle the evacuation, and the Canary Islands hesitated to let the Hondius dock. Eventually, passengers flew home under tight health supervision.
There’s been no shortage of dramatic scenes. British military medics parachuted onto Tristan da Cunha to help a stricken traveller, and others were evacuated to hospitals in Europe, South Africa, and South America.
How to tackle the hantavirus outbreakDespite those reassurances, epidemiologists aren’t letting their guard down. Hantavirus infections can turn severe fast. Early signs look just like regular flu; think fever, headache, fatigue, chills, nausea, and more. But sometimes, it turns into hantavirus pulmonary syndrome (HPS), which can fill the lungs with fluid, cause breathing problems, and lead to heart failure. The fatality rate for severe Andes virus infections has reached 40–50% in some outbreaks.
Doctors say symptoms can show up anywhere from one to eight weeks after exposure. That’s why some passengers are still being monitored even after negative test results.
And despite scary headlines, experts keep saying this won’t turn into a global pandemic. WHO, the European Centre for Disease Prevention and Control, and Canadian health officials all rate the risk as low. Andes virus transmission is limited and far tougher than COVID or the flu.
Still, scientists say this outbreak is a wake-up call about how fast rare diseases travel the world in an age of global tourism. For now, Canadian officials keep monitoring exposed individuals and await final lab confirmation for the BC patient.
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