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WHO warns of more hantavirus cases in 'limited' outbreak

The Hondius cruise ship outbreak of hantavirus has killed three passengers. Health authorities say more cases could occur but expect the outbreak to remain limited if precautions are followed, with evacuees repatriated and investigations into disembarkations underway.

Why It Matters

The incident highlights the global health risk posed by a rare hantavirus and underscores the need for rapid cross-border cooperation and containment measures.

Timeline

14 Events

Passenger thought to have contracted virus before boarding in Argentina

May 9, 2026

A passenger is thought to have contracted hantavirus before boarding the ship in Argentina and infected others on board during the voyage across the Atlantic.

Hantavirus incubation can be up to six weeks

May 9, 2026

The WHO notes that hantavirus incubation can be up to six weeks, underscoring the potential for additional cases after initial infections.

WHO warns of more hantavirus cases; outbreak expected to be limited

May 9, 2026

The WHO warns that more hantavirus cases could emerge after three passengers died, but expects the outbreak to be limited if precautions are observed.

Saint Helena: population at extremely low risk

May 8, 2026

Saint Helena government notes more than 95 percent of the population had no close contact with ship passengers or crew and are at extremely low risk of infection.

WHO informs 12 countries about disembarkations from Saint Helena

May 8, 2026

Tedros says the WHO has informed 12 countries that their nationals disembarked from the cruise ship on Saint Helena.

WHO: limited outbreak possible with measures

May 8, 2026

WHO emergency alert and response director Abdi Rahman Mahamud says the outbreak would likely be limited if public health measures are implemented.

Leiden University Medical Centre reports hantavirus positive patient

May 8, 2026

Leiden University Medical Centre in the Netherlands announces another patient has tested positive for hantavirus.

Fourth evacuee lands in Amsterdam

May 7, 2026

A fourth evacuee lands in Amsterdam, according to the vessel's operator.

Three evacuees evacuated at Cape Verde

May 6, 2026

Three evacuees are whisked away from the Hondius as it anchors off Cape Verde.

Dutch man's wife dies in South Africa; hantavirus confirmed

May 4, 2026

The Dutch man's wife dies in South Africa 15 days after his death; hantavirus is confirmed as the cause on May 4.

German passenger dies on Hondius

May 2, 2026

A German passenger dies on the Hondius.

Dutch man's body removed at Saint Helena; 29 others disembark

April 24, 2026

The deceased man's body is taken off the ship at Saint Helena, where 29 other passengers disembarked.

Dutch man dies aboard Hondius

April 11, 2026

A Dutch man who had boarded in Ushuaia with his wife dies aboard the Hondius.

Hondius boarding in Ushuaia begins voyage

April 1, 2026

The MV Hondius begins its voyage as passengers board in Ushuaia, Argentina on April 1.