British paratroopers and military clinicians were deployed to Tristan da Cunha on May 9 following confirmation from the UK Health Security Agency of a suspected hantavirus infection in a British citizen on the isolated island. The operation marked the first time the UK military has inserted medical personnel to provide humanitarian support via a parachute jump. Oxygen supplies and other medical equipment were airdropped to the island simultaneously.
The Operation
A team of six paratroopers and two military clinicians from 16 Air Assault Brigade jumped from an RAF A400M transport aircraft that flew 6,788 kilometres from RAF Brize Norton air base in Oxfordshire to Ascension Island, then another 3,000 kilometres south to Tristan da Cunha. An RAF Voyager aircraft refuelled the A400M mid-air during the journey, the Ministry of Defence confirmed.
Weather conditions on Tristan da Cunha can be exceptionally challenging, with average wind speeds often exceeding 25 miles per hour, presenting difficult conditions for the paratroopers.
With oxygen supplies on the island at a critical level, an airdrop with medical personnel was the only method of getting vital care to the patient in time, the Ministry of Defence said.
The Patient
The supplies were primarily destined for a British man who UK health authorities say was a passenger on the cruise ship hit by a hantavirus outbreak and which docked at the island between April 13 and 15. The World Health Organization said the man reported symptoms compatible with hantavirus on April 28 and that he is stable and in isolation.
The Ministry of Defence also confirmed that PCR diagnostic tests had been delivered to Ascension Island via a military plane on May 7, as part of the wider logistical support effort.
Quotes
Foreign Secretary Yvette Cooper said the operation reflected the government’s commitment to British nationals overseas. “I am deeply grateful to the personnel across the Armed Forces and the RAF who acted at pace to get urgent medical support to Tristan da Cunha,” she said. “The safety and well-being of all members of the British family is our number one priority.”
Minister for the Armed Forces Al Carns said the scale of the challenge made the outcome more remarkable. “This was an extraordinary operation in incredibly challenging circumstances to get vital help to our citizens on Tristan da Cunha,” he said. “This is a real cross-government effort showing our determination to support our overseas territories and British nationals affected by the Hantavirus outbreak.”
Brigadier Ed Cartwright, Officer Commanding 16 Air Assault Brigade, said the mission demonstrated the capability of airborne forces beyond combat roles. “The arrival of paratroopers, medical personnel and medical supplies from the sky has hopefully reassured the people of Tristan da Cunha,” he told the Ministry of Defence.
Where Is Tristan da Cunha?
Tristan da Cunha is home to only around 200 people and sits halfway between South Africa and South America. It is the world’s most remote inhabited island — more than 2,400 kilometres and a six-day boat ride from St Helena, its nearest inhabited neighbour. It is normally only accessible by boat, has no airstrip, and has a population of 221 inhabitants. It usually relies on a medical team of two people for its health needs. The airdrop was designed to supplement that two-person team as well as treat the suspected case.
The Wider MV Hondius Outbreak
The Tristan da Cunha case is directly linked to the MV Hondius, a Dutch cruise ship at the centre of an international hantavirus outbreak. The ship left Ushuaia, Argentina, on April 1. A passenger died from the virus on April 11, and a third passenger died on board at a later date. As of May 4, seven cases — two laboratory-confirmed and five suspected — had been identified, including three deaths, one critically ill patient, and three individuals with mild symptoms.
WHO Director-General Dr Tedros Adhanom Ghebreyesus confirmed eight cases in total, including three deaths, and said the hantavirus strain involved is the Andes virus — the only species known to be capable of limited human-to-human transmission, linked to close and prolonged contact. He assessed the public health risk as low.
On May 10, around 5:30 a.m. local time, the MV Hondius arrived at the Port of Granadilla in Tenerife in Spain’s Canary Islands and began the process of disembarking. Spain’s Health Minister Mónica GarcÃa described the planned disembarkation procedures to prevent the spread of hantavirus as “unprecedented.”
Seventeen American passengers were to be escorted to the United States by a team from the U.S. Centers for Disease Control and Prevention via a chartered flight, with passengers expected to quarantine in Nebraska upon return. Fourteen Spanish passengers were to be transported to a military hospital after examination.
British nationals are being repatriated from the MV Hondius to the UK via a special chartered flight. None of the British citizens being repatriated have reported symptoms but are being closely monitored. All British passengers and crew on board are being isolated for 45 days upon returning to the UK, with UKHSA closely monitoring these individuals.
Background
Hantavirus is a rodent-borne virus that has not been linked to any documented cruise ship outbreaks in the past. WHO has deployed an expert on board the ship to support a comprehensive medical assessment of all passengers and crew, and has arranged for the shipment of 2,500 diagnostic kits from Argentina to laboratories in five countries. Illness onset among confirmed cases occurred between April 6 and April 28, with symptoms including fever, gastrointestinal symptoms, rapid progression to pneumonia, acute respiratory distress syndrome, and shock. The U.S. Centers for Disease Control and Prevention classified its hantavirus response at level 3, the agency’s lowest level of emergency, according to CNN. The Andes strain was first identified in South America and remains rare outside that region.
What Happens Next
The UK government stated it is coordinating with international health authorities to manage the outbreak and that contact tracing efforts are ongoing for individuals who may have been exposed and have since traveled back to the UK or are currently in British Overseas Territories. The Ministry of Defence said the military team’s arrival on Tristan da Cunha will also support the island’s two-person medical team to ensure wider healthcare resilience on the island. The UK government confirmed the risk to the general public remains very low. WHO said additional cases may be reported given the virus’s incubation period of one to eight weeks, and is continuing to coordinate with multiple countries under the International Health Regulations.
