The MV Hondius cruise ship is sailing toward the Canary Islands after officials confirmed an outbreak of the rare Andes strain of hantavirus [1].

This development is significant because the Andes strain is one of the few hantavirus variants capable of human-to-human transmission, increasing the risk of a wider outbreak in confined spaces [2].

The vessel was marooned off the coast of Cape Verde, west of Senegal, on Sunday [2, 3]. Following medical containment efforts and the evacuation of ill passengers, the ship departed for Spain on Wednesday, May 6, 2026 [2, 4].

Health officials said eight cases are linked to the ship, with five of those cases confirmed through laboratory tests [1]. Reports on the exact number of confirmed cases vary, with some sources citing only two identified cases [2].

Three passengers died from the disease [5]. Additionally, three passengers were evacuated from the vessel, two of whom were reported to be seriously ill [2].

The outbreak required the ship to seek a port in Spain to facilitate professional medical treatment and strict isolation for those infected [1, 4]. The rare nature of the Andes strain has prompted heightened surveillance as the ship moves toward the Canary Islands [1, 3].

The Andes strain is one of the few hantavirus variants capable of human-to-human transmission.

The confirmation of the Andes strain transforms a localized health incident into a public health priority. Unlike most hantaviruses, which are contracted via rodent droppings, the Andes strain's ability to spread between people makes cruise ships—with their high population density and shared ventilation—high-risk environments for rapid transmission.