Health officials have confirmed one case of the rare virus and are investigating five more suspected cases.
Three passengers have died aboard a cruise ship sailing in the Atlantic Ocean after a suspected outbreak of hantavirus.
Health officials have confirmed one case of the rare virus, and five more suspected case are being investigated. A British traveller is one of the five reported to be in intensive care.
According to the World Health Organisation, the infections were detected on the MV Hondius, which was sailing from Argentina to Cape Verde.
The global health agency said in a post on X: “To date, one case of hantavirus infection has been laboratory confirmed, and there are five additional suspected cases. Of the six affected individuals, three have died and one is currently in intensive care in South Africa.”
Here’s all we know about the virus.
What is hantavirus?
Hantavirus refers to a strain of viruses carried by rodents. It is primarily transmitted to humans through inhalation of airborne particles from dried rodent droppings.
According to the US Centres for Disease Control and Prevention (CDC), infections typically occur when the virus becomes airborne from a rodent’s urine, droppings, or saliva.
It can also spread through rodent bites or scratches, though this is rare – and in exceptional circumstances, it can spread between people and cause severe respiratory illness.
Have you had hantavirus in the past? Contact reporters@dailyrecord.co.uk if you would like to spread awareness about the symptoms.
The virus can cause two severe illnesses. The first, Hantavirus Pulmonary Syndrome (HPS), often starts with fatigue, fever, and muscle aches, followed by headaches, dizziness, chills, and abdominal issues. If respiratory symptoms develop, the mortality rate is approximately 38%, according to the CDC.
The second illness, Haemorrhagic Fever with Renal syndrome (HFRS), is more severe and primarily affects the kidneys. Later symptoms can include low blood pressure, internal bleeding, and acute kidney failure.
How many cases of Hantavirus are reported globally?
According to a report from the National Institutes of Health, there are an estimated 150,000 cases of HFRS worldwide each year, primarily in Europe and Asia. More than half of the cases typically occur in China.
The latest data from the US shows that from between 1993, when surveillance of hantavirus began, until 2023, there were 890 cases in the country.
However, Seoul virus – one of the main strains of hantavirus that is carried by Norway rats (also known as the brown rat) – is found worldwide, including in the US.
How is it treated?
While there is no specific treatment for hantavirus infections, the CDC recommends supportive care to treat symptoms that could include oxygen therapy, mechanical ventilation, antiviral medications and even dialysis.
Patients with severe symptoms may need to be admitted to hospitals in intensive care units – and in severe cases, some may need to be intubated. The CDC recommends eliminating contact with rodents in homes or workplaces to reduce exposure to the virus.
The agency also recommends sealing entry points in basements or attics where rodents may enter homes. Wearing protective gear is also suggested when cleaning up rodent droppings to avoid inhaling contaminated air.
Have there been recent hantavirus cases?
Betsy Arakawa, the wife of Oscar-winning actor Gene Hackman, died from a respiratory illness linked to hantavirus in February 2025.
Medical investigators believe Arakawa contracted HPS – the most common strain in the US – which led to her death. Nests and some dead rodents were found in outbuildings of her house where she was found.
Police records showed that Arakawa searched the internet for information about flu and Covid symptoms in the days before she died.
What do we know about the cruise ship cases?
Foster Mohale, a spokesperson for South Africa’s health ministry, confirmed at least two people had died onboard the vessel, which the Dutch tour company Oceanwide Expeditions operates.
The ship departed Ushuaia, Argentina, on March 20, according to the company’s published itinerary, due to arrive in Cape Verde on Monday, May 4. A 69-year-old British man was evacuated to Johannesburg during the trip as passengers showed signs of the virus, and is currently receiving treatment in intensive care.
South African authorities confirmed the first person to show symptoms was a 70-year-old passenger who died on board. His body has since been transferred to the island of Saint Helena.
The man’s 69-year-old wife also became ill during the journey and was evacuated to South Africa, where she later died in a Johannesburg hospital. The ship measures 107.6m (353ft) in length and can carry up to 170 passengers across 80 cabins, according to Oceanwide Expeditions
The WHO said it is assisting with coordination between member states and the ship’s operator, including the medical evacuation of two symptomatic passengers, a full public health risk assessment, and support for those still on board.
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