Switzerland Confirms Hantavirus Case in Man Who Traveled on Infected Hondius Cruise Ship

Reflecto News | Breaking News | Global Health

GENEVA — Swiss health authorities have confirmed that a man who recently traveled on the MV Hondius cruise ship — the vessel at the center of a deadly hantavirus outbreak in the Atlantic Ocean — has tested positive for the virus and is receiving treatment at University Hospital Zurich .

The Swiss Federal Office of Public Health (FOPH) announced Wednesday that the patient, a Swiss national, returned to Switzerland with his wife at the end of April after traveling aboard the MV Hondius . After developing symptoms consistent with hantavirus infection, he contacted his general practitioner and was referred to the Zurich hospital, where he was immediately placed in isolation .

🦠 Andes Strain Confirmed: Rare Human-to-Human Transmission Possible

Laboratory testing conducted at Geneva University Hospital confirmed an infection with the Andes virus, a hantavirus strain found in South America . Unlike European hantavirus variants, which are typically transmitted through contact with excretions from infected rodents, the Andes strain has been known — in rare cases — to spread from person to person through close, prolonged contact .

The FOPH emphasized that the hospital is fully equipped to treat the patient and ensure the safety of medical staff and other patients . The man’s wife, who traveled with him, has not shown any symptoms but has entered self-isolation as a precautionary measure .

📊 Outbreak Update: 8 Cases, 3 Deaths

The World Health Organization (WHO) confirmed that as of May 6, there are eight cases associated with the MV Hondius outbreak, three of which have been laboratory-confirmed as hantavirus infections . Three passengers have died .

According to WHO, the passengers who tested positive for hantavirus had the Andes strain, which is known to be transmissible between people and is endemic in parts of Argentina, where the Hondius began its voyage .

🚢 Global Response and Evacuations

Three suspected hantavirus cases were evacuated from the ship on Wednesday morning and are on their way to receive medical care in the Netherlands . Two infectious disease physicians from the Netherlands are en route to board the MV Hondius and will remain with the vessel after its anticipated departure from Cape Verde .

The WHO has initiated contact tracing across multiple countries, including South Africa, where a Dutch passenger who left the ship and flew to Johannesburg later died .

🌍 Risk Assessment: Low to General Public

The FOPH categorizes the risk to the Swiss population as low . Hantavirus is rare in Switzerland; in recent years, between zero and six cases have been reported annually, the majority of which were infections acquired abroad .

WHO epidemiologist Maria Van Kerkhove told a news conference that hantavirus, unlike influenza or COVID-19, is only transmissible from person to person through close contact — such as sharing a bed — and does not spread easily through casual contact .

🏥 What Comes Next

Cantonal authorities are now working to determine whether the patient has had contact with other individuals during his infectious period . The FOPH remains in close coordination with relevant agencies and is monitoring the situation closely .

The MV Hondius remains anchored off the coast of Cape Verde, with nearly 150 passengers and crew members from 23 countries on board . Spain’s government has authorized the ship to dock in the Canary Islands, though regional authorities have objected, demanding more technical information and safety guarantees .

📋 Key Takeaways for Reflecto News Readers

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