Hantavirus Passengers Disembark MV Hondius

Passengers from the MV Hondius, a Dutch-flagged cruise ship at the center of a hantavirus outbreak, began disembarking in Tenerife, Spain, on Sunday, May 10, 2026, under a coordinated international health operation. The vessel arrived off the Canary Islands after weeks at sea, initiating a complex repatriation process for nearly 150 individuals from over 15 countries. The World Health Organization (WHO) and Spanish authorities are overseeing the disembarkation, aiming to manage the health risks associated with the rare but severe viral infection.

The outbreak, which has resulted in nine reported cases to the WHO, including three fatalities, has drawn global attention. Six of these cases have been laboratory-confirmed as Andes virus (ANDV) infections as of Friday, May 8, 2026. The Andes virus is a specific strain of hantavirus primarily found in South America and is notable for its capacity for human-to-human transmission, a rare characteristic among hantaviruses. Health officials hypothesize that some passengers contracted the virus in Argentina or Chile before boarding the ship on April 1, 2026, and subsequent transmission occurred onboard through close contact.

Illness onset among the initial cases occurred between April 6 and April 28, 2026. The first reported death, a Dutch man, occurred on the ship on April 11, 2026. His wife, who disembarked at St. Helena, subsequently died in South Africa on April 26, 2026, with hantavirus infection later confirmed. A German woman also died aboard the ship on May 2, 2026. Symptoms of hantavirus pulmonary syndrome (HPS), caused by the Andes virus, typically manifest as flu-like illness, including fever, muscle aches, and fatigue, progressing rapidly to severe respiratory distress, coughing, and shortness of breath. The incubation period for HPS can range from one to eight weeks after exposure, making early diagnosis challenging.

The disembarkation operation involves a multi-stage process, with passengers undergoing assessment before being transferred ashore based on nationality and flight availability. Seventeen Americans and a dual British-U.S. citizen evacuated from the ship arrived in the U.S. on Monday, May 11, 2026. One American tested mildly positive for the Andes virus but showed no symptoms, while another developed mild symptoms. Both traveled in biocontainment units as a precautionary measure. Most U.S. passengers went to the University of Nebraska Medical Center for monitoring, with two others flown to Atlanta for further assessment. British citizens were flown to the UK for hospital quarantine in Merseyside, and a French passenger also tested positive for the virus after evacuation. Approximately 54 passengers and crew remained on board on Monday, May 11, 2026, with 22 expected to disembark and 32 crew members returning to the Netherlands with the ship.

Health officials emphasize that the overall risk to the wider public from this outbreak remains low. WHO Director-General Tedros Adhanom Ghebreyesus stated on Sunday, May 10, 2026, that this incident is "not another COVID," reassuring the public against panic. Experts note that while the Andes virus can transmit human-to-human, it typically requires close and prolonged contact, unlike more easily transmissible viruses. The absence of the natural rodent reservoir for the Andes virus in Europe also reduces the likelihood of widespread community transmission. Prevention strategies for hantavirus primarily focus on avoiding contact with rodents and their excretions, as well as safe cleaning practices in infested areas.

The ongoing investigation aims to fully understand the epidemiological links between cases and potential exposure factors. Contact tracing efforts are underway for passengers who disembarked before the outbreak was officially identified, including 30 individuals who left the ship on April 24, 2026. Those with significant exposure may undergo quarantine and isolation if symptoms emerge. The incident serves as a unique case study for understanding human-to-human transmission of hantaviruses, a phenomenon rarely observed and still subject to ongoing research.