MV Hondius anchors in Tenerife as 147 people disembark in WHO-coordinated Andes-virus evacuation to seven countries

The Dutch expedition ship MV Hondius, owned by Oceanwide Expeditions and built to carry 196 passengers across 95 cabins with a crew of 72, anchored at the Port of Granadilla on the south-east coast of Tenerife at around 5:30 a.m. local time on Sunday, May 10, 2026. On board were 147 people: the surviving passengers and crew of the 39-day expedition cruise that had left Ushuaia in Argentina's Tierra del Fuego province on April 1, bound for Antarctica and "several isolated islands in the South Atlantic." Three people had died during the voyage; two of the deaths have been confirmed as caused by the Andes virus, a strain of hantavirus normally found in South America and the only hantavirus that has been documented to spread between humans.

Spain's Minister of Health Monica Garcia described the operational protocol Madrid had built in the 96 hours before arrival as "unprecedented." It was. The ship was kept at anchor offshore; passengers were taken to the Tenerife mainland by speedboat in a staggered order keyed to the departure time of the evacuation flight their home government had laid on; they were driven directly from the dock to the airport with no contact with the islands' residents; and from there they were flown to six European countries and Canada. By late on Sunday, seven evacuation flights had departed, carrying 94 passengers.

What is the Andes virus, and why is this outbreak unusual

Hantaviruses are a family of rodent-borne viruses with more than 50 identified types. In rodents they typically establish persistent infections that produce no symptoms; in humans they cause severe illness, most often hantavirus pulmonary syndrome (HPS) — an aggressive cardio-respiratory disease that, untreated, has a case-fatality rate that has historically run 30-40 percent for Andes-virus cases. Almost all human infections occur through inhalation of aerosolised rodent excreta in confined spaces; rodent-to-human transmission is the standard.

Andes virus is the single documented exception — it has been observed to spread from human to human in rare cases, typically among people in close and sustained contact, such as household members caring for an active case. The World Health Organization (WHO) has emphasised since the outbreak's identification that the risk of an epidemic remains low, on the basis that prior human-to-human chains have been small and self-limiting. Newsorga's editorial framing: this is a serious but not pandemic-shaped outbreak; the operational complexity has come from logistics — a moving vessel, multiple legal jurisdictions, several overseas territories with limited medical infrastructure — rather than from explosive transmission.

On May 4, 2026, gene-sequencing labs confirmed Andes virus in at least one infected person on board. On May 6, an Argentine health-ministry report mapped the movements of the index case — a 70-year-old Dutch passenger — through a four-month overland trip across Chile, Uruguay and Argentina between 27 November 2025 and 1 April 2026, ending four days before the cruise departed Ushuaia. Investigators at the Malbran Institute are testing rodents along the index case's route to identify the most likely point of natural exposure.

How the outbreak unfolded at sea

The chronology, reconstructed from official statements and outbreak reporting, is essentially this:

• 1 April — MV Hondius departs Ushuaia with 175 passengers and crew.
• 6 April — the 70-year-old Dutch passenger begins showing symptoms.
• 11 April — he dies on board; cause logged initially as "natural causes."
• 13-15 April — ship calls at Tristan da Cunha (UK Overseas Territory).
• 24 April — ship arrives at Saint Helena; the deceased man's body is offloaded, and 29 passengers disembark, including his 69-year-old widow.
• 25 April — the widow boards KLM KL592 from Johannesburg to Amsterdam while symptomatic; she is removed from the aircraft before takeoff and dies in a South African hospital the same day.
• 27 April — Hondius departs Ascension Island.
• 2 May — a German woman dies on board; WHO receives its first report of the outbreak; passengers are told to limit close contact.
• 3-6 May — ship docks in Praia, Cape Verde; medical experts including specialists from Amsterdam UMC, the Central Military Hospital in Utrecht, and epidemiologists from Italy and the Netherlands board with WHO and ECDC support.
• 4 May — Andes virus confirmed by gene sequencing.
• 6 May — Spain approves Tenerife docking "in accordance with international law and humanitarian principles" despite an initial objection from Canary Islands president Fernando Clavijo.
• 10 May, 05:30 local — arrival in Tenerife.

The Tenerife operation, hour by hour

Spain's plan, coordinated with 22 countries and the WHO, ran on three principles: isolation from the island population, medical readiness for serious illness, and return-to-home as the default disposition rather than long quarantine in Spain. An EU air ambulance stationed in Norway and crewed by Norwegian doctors was flown to Tenerife to be on stand-by during disembarkation. Spanish nationals were the first to leave the ship; the first evacuation flight took off at 13:31 local time.

By late Sunday, seven evacuation flights carrying 94 passengers had departed for six European countries and Canada. Foreign nationals not requiring urgent medical care were being evacuated to their home country even when they had symptoms, on the basis that home health systems would be better placed to manage quarantine and follow-up than an emergency holding facility in the Canary Islands.

The 17 Americans evacuated from the ship were flown out on US-coordinated aircraft; US health officials said late Sunday that one of the 17 had tested positive for the virus while not yet showing symptoms. France's prime minister Sebastien Lecornu announced that one of the five French nationals evacuated had developed symptoms consistent with the virus during the flight home; on the morning of May 11, that French national tested positive, with her health reported as worsening overnight. 20 UK citizens, one German national resident in the UK, and one Japanese man evacuated at Japan's request landed in Manchester around 9 p.m. on May 10 and were taken to Arrowe Park Hospital for testing.

The Tristan da Cunha sub-story

Tristan da Cunha — the British Overseas Territory in the south Atlantic, home to about 220 people — has emerged as a parallel sub-operation. The island reported, as of May 8, that one of its residents had been an earlier passenger on the Hondius and is suspected of having contracted the virus; the same person's spouse is isolating. Because Tristan has no airstrip, British military personnel from the 16 Air Assault Brigade parachuted onto the island on May 10 from an RAF A400M Atlas — six paratroopers and two medical clinicians, with 3,300 kg (7,300 lb) of medical supplies, after the island's oxygen reserves reached critical levels and a ship-borne resupply from Ascension Island was ruled out as too slow. The drop is the kind of operational improvisation British overseas-territory health logistics has not been asked to deliver in living memory.

What WHO and CDC have classified

The WHO's formal posture has remained measured: as of May 9, six confirmed cases, two suspected, and two probable cases awaiting lab confirmation, against three deaths. The US Centers for Disease Control and Prevention (CDC) classified the outbreak as a Level 3 emergency response on May 8 — the lowest tier on the CDC's three-level scale, which still triggers cross-agency reporting cadence and contact-tracing of US citizens potentially exposed. South Africa's National Institute for Communicable Diseases had by May 7 identified the virus in two patients, both of whom had been on the flight with the deceased Dutch widow.

GGD Kennemerland, the Dutch municipal health service responsible for Amsterdam Schiphol, completed a risk analysis of the two flights the widow had taken: five people were categorised as high risk for having physically assisted her on KL592; 50 were categorised as lower risk for having sat within two rows of her; everyone on the flight is being monitored. A Spanish passenger on KL592, seated two rows behind her, was symptomatic and hospitalised in Alicante.

What is still uncertain

Two material questions remain open. First, the case count is moving daily as evacuation flights land and home-country testing returns results — the May 9 WHO figures should be treated as a lower bound rather than a final tally. Second, the route of the Andes-virus exposure that produced the index case is probably tied to the four-month overland trip and probably involves rodent contact, but the Malbran Institute investigation has not yet identified an exact location.

The story will keep updating in three predictable directions: home-country case-by-case results, the Tristan da Cunha medical outcome, and the Rotterdam-bound voyage of the Hondius itself, on which crew members will sail the empty ship from Tenerife to the Netherlands for full disinfection. The body of one passenger who died on board will remain on the ship until that arrival, in keeping with the Dutch maritime-public-health protocol that brought the operation to this point. Newsorga's desk will track the WHO and GGD Kennemerland updates and revise this article as the case-by-case numbers move.