Daijiworld Media Network - Geneva

Geneva, May 4: The World Health Organization (World Health Organization) has confirmed that it is monitoring and assisting response efforts after a hantavirus outbreak was detected aboard a cruise vessel sailing in the Atlantic Ocean, resulting in three deaths and multiple suspected infections.

In a statement posted on social media platform X, the agency said one case has been laboratory-confirmed, while five additional cases are under investigation. Of the six affected individuals, three have died and one patient is currently in intensive care in South Africa.

The outbreak has been reported on the expedition cruise ship MV Hondius, operated by Oceanwide Expeditions. The vessel reportedly departed Ushuaia in southern Argentina on March 20 and was scheduled to complete its voyage in Cape Verde on May 4.

According to WHO, investigations are ongoing, including laboratory testing and epidemiological analysis. Medical care is being provided to affected passengers and crew, and virus sequencing is also underway to better understand the strain involved.

Hantavirus is primarily transmitted from rodents to humans through contact with contaminated urine or droppings. In severe cases, it can cause serious respiratory illness, and human-to-human transmission remains rare.

Among those affected is a 69-year-old British national who is currently receiving intensive care in Johannesburg, South Africa. Health authorities are also coordinating medical evacuation for two symptomatic passengers onboard the vessel.

WHO said it is working closely with national authorities and ship operators to carry out a full public health risk assessment and ensure continued medical support for passengers and crew still onboard.

The agency has notified countries under the International Health Regulations and said a detailed Disease Outbreak News report will be released for wider public communication.