The World Health Organization said three people died following a suspected hantavirus outbreak aboard the MV Hondius cruise ship on Sunday, May 3, 2026 [1, 2, 3].

This incident highlights the risks of rare, rodent-borne pathogens in confined travel environments where rapid transmission can occur among passengers and crew.

The outbreak occurred in the Atlantic Ocean, with some reports specifying the location as being off the coast of West Africa [2, 4]. Health officials said the virus was transmitted through contact with infected rodent droppings, urine, or saliva [5, 6].

While three people died [1], the total number of infections remains under investigation. One case of hantavirus has been confirmed [3], while reports on additional illnesses vary. Some sources said at least three other passengers are ill [2], while other reports indicate five additional suspected cases [3].

Hantavirus is a rare respiratory disease typically linked to wildlife. The WHO is monitoring the situation to prevent further spread as the ship manages the remaining passengers and crew.

Medical teams are working to identify the source of the rodent infestation aboard the MV Hondius [7]. The agency said it continues to track the health status of those who were in contact with the confirmed and suspected cases [3].

Three deaths followed a suspected hantavirus outbreak aboard the MV Hondius cruise ship.

This event underscores the vulnerability of cruise ships to zoonotic diseases. Because hantavirus is typically contracted from rodent exposure rather than human-to-human transmission, the outbreak suggests a significant sanitation failure or pest infestation on the vessel, rather than a highly contagious new strain of the virus.