AdvisoryPublished Jun 1 · 2026AI-classified · awaiting human verification

Two people in Finland placed in hantavirus quarantine - Helsinki Times

Johannesburg, South AfricaConfidence 90%2 affectedJun 1, 2026

Two Finnish citizens were placed in quarantine after potential hantavirus exposure on an international flight, with health authorities assessing the risk in Finland as very low.

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Two people in Finland placed in hantavirus quarantine - Helsinki Times
helsinkitimes.fi · 2026-06-01
Two Finnish citizens have been placed under a 42-day quarantine after potential exposure to the Andes strain of hantavirus during an international flight on April 25. The flight was from Johannesburg to Amsterdam, and an infected traveler who later died was briefly on board. Finnish health authorities confirmed the exposed passengers remain asymptomatic, and the risk of infection in Finland is considered very low. Finland has classified the Andes strain as a generally hazardous communicable disease.
Reference
Two people quarantined in Finland due to possible hantavirus exposure
vertexaisearch.cloud.google.com · 2026-06-01
Two Finnish citizens were placed under a 42-day quarantine starting May 12, 2026, following potential exposure to the Andes strain of hantavirus during a flight from Johannesburg on April 25. They were seated near an infected passenger linked to the MV Hondius cruise ship outbreak. The Finnish Institute for Health and Welfare (THL) reported that both individuals remained asymptomatic, and the risk of illness was considered low. Finland classified hantavirus as a particularly dangerous infectious disease to enable official quarantine measures.
Reference
How South African scientists identified hantavirus on a cruise ship thousands of miles away
vertexaisearch.cloud.google.com · 2026-06-01
South African infectious disease specialists at the National Institute for Communicable Diseases rapidly identified hantavirus as the cause of illness in a British passenger evacuated to a Johannesburg hospital on May 1, 2026. This swift identification, including confirming the Andes strain, allowed the WHO to announce the outbreak. A Dutch woman, one of the first two cruise passengers to die, also tested positive posthumously in South Africa.
Reference
Hantavirus Patients Under Quarantine Could Go Home—If They Agree To 24/7 Surveillance, Report Says
vertexaisearch.cloud.google.com · 2026-06-01
Forbes reported on May 29, 2026, on the ongoing MV Hondius hantavirus outbreak, detailing the timeline of confirmed and suspected cases. A 70-year-old Dutch man who died on April 11 is believed to be the first case, followed by his 69-year-old wife who died in Johannesburg, South Africa, after testing positive for the Andes strain. A German woman also died on board. A British expedition guide was medically evacuated to South Africa and confirmed with Andes virus. A Swiss passenger hospitalized in Zurich also contracted the virus after disembarking.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
netec.org · 2026-05-05
A British passenger from the MV Hondius cruise ship was medically evacuated to South Africa and treated in an intensive care unit in Johannesburg, where they later died. This case is part of the Andes hantavirus outbreak linked to the cruise ship.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship
vertexaisearch.cloud.google.com · 2026-06-01
A recent hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina, in March 2026, has raised significant concerns. As of current reports, three passengers have died, and one remains in intensive care in Johannesburg, with several additional suspected cases under investigation among passengers and crew. This outbreak is considered unusual due to its occurrence at sea, as hantavirus infections are typically associated with land-based exposure in endemic regions. However, the timing coincides with Argentina's seasonal peak for hantavirus, where recent data
Reference
Very low risk of hantavirus to the European population - THL
thl.fi · 2026-05-08
The European Centre for Disease Prevention and Control (ECDC) has assessed the risk of wider hantavirus spread in Europe as very low. This assessment follows a hantavirus outbreak on a cruise ship that departed from Argentina, where five confirmed and three suspected cases of Andes virus have been reported, including three deaths. Two Finnish travelers may have been exposed to hantavirus on a flight from Johannesburg, South Africa, to Amsterdam. These individuals, who are asymptomatic, have returned to Finland and are being monitored by health authorities. In response, Finland's Ministry of S
Reference
THL: Two Finns monitored after hantavirus exposure on flight - Helsinki Times
helsinkitimes.fi · 2026-06-01
Finnish health authorities are monitoring two travelers who were possibly exposed to the Andes strain of hantavirus on a KLM flight from Johannesburg to Amsterdam on April 25, 2026. They were seated near an infected passenger linked to the MV Hondius cruise ship outbreak. Both individuals have since returned to Finland and remain asymptomatic, isolating voluntarily as a precautionary measure.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
A hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina, in March 2026, has led to three passenger deaths and one in intensive care in Johannesburg. Several other suspected cases are under investigation. This outbreak is unusual due to its occurrence at sea, with investigators suspecting environmental exposure to rodents during embarkation or on board. The Andes virus, known for rare person-to-person transmission, is suspected.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
A hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina in March 2026, has been linked to a cluster of infections. As of May 5, three passengers have died, one remains in intensive care in Johannesburg, and several suspected cases are under investigation. This outbreak is unusual due to its occurrence at sea, as hantavirus is typically associated with land-based exposure. The Andes virus, known for rare person-to-person transmission, is suspected.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
A hantavirus outbreak on the MV Hondius, which departed Ushuaia, Argentina, in March 2026, has led to a cluster of infections, including three deaths. One patient remains in intensive care in Johannesburg, South Africa. This outbreak is unusual for occurring at sea, as hantavirus is typically land-based. Investigators suspect environmental exposure, possibly from rodent contamination during embarkation or on the vessel.
Reference
Two people in Finland placed in hantavirus quarantine - Helsinki Times
vertexaisearch.cloud.google.com · 2026-06-02
Two individuals in Finland were placed in quarantine after possible exposure to the Andes strain of hantavirus during an international flight from Johannesburg to Amsterdam on April 25. The Finnish government classified the Andes strain as a generally hazardous communicable disease, allowing authorities to impose formal quarantine orders and provide compensation. The exposed passengers remain without symptoms.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship
vertexaisearch.cloud.google.com · 2026-06-02
A recent hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina, in March 2026, has been linked to a cluster of hantavirus infections among passengers. As of current reports, three passengers have died, one remains in intensive care in Johannesburg, and several additional suspected cases are under investigation among passengers and crew. This outbreak is unusual because of where it occurred—at sea—though its timing coincides with Argentina's seasonal peak.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
NETEC reported on May 5, 2026, about the hantavirus outbreak aboard the MV Hondius, which departed Ushuaia, Argentina, in March 2026. As of their report, three passengers had died, one remained in intensive care in Johannesburg, and several suspected cases were under investigation. The outbreak is unusual due to its maritime setting, though the timing coincides with Argentina's seasonal peak for cases.
Reference
SA tracks 97 possible hantavirus contacts as patient recovers | The Citizen
vertexaisearch.cloud.google.com · 2026-06-02
South Africa's Department of Health is monitoring 97 possible contacts of hantavirus-infected individuals, primarily linked to the cruise ship outbreak. A British man medically evacuated to Johannesburg is gradually improving. Authorities emphasize that there is no evidence of community spread in South Africa and the risk to the public remains very low.
Reference
Two Finnish Travelers Monitored After Hantavirus Exposure on Flight
vertexaisearch.cloud.google.com · 2026-06-02
On May 8, 2026, the Finnish Institute for Health and Welfare (THL) announced that two Finnish travelers are under monitoring following potential exposure to the Andes strain of hantavirus. The exposure occurred on an April 25 flight from Johannesburg to Amsterdam, where they were seated near an infected passenger linked to the MV Hondius cruise ship outbreak. Both individuals are asymptomatic and have voluntarily isolated. The European Centre for Disease Prevention and Control (ECDC) has assessed the risk of wider spread in Europe as very low.
Reference
Follow-up on hantavirus outbreak linked to cruise ship travel: Andes virus confirmed - BEACON
beaconbio.org · 2026-06-02
BEACON reported on May 6, 2026, on the follow-up to the cruise ship hantavirus outbreak, confirming the Andes virus. It detailed medical evacuations, including a British national in intensive care in Johannesburg, South Africa, and a diverted flight carrying passengers to the Netherlands. Contact tracing was ongoing for passengers and crew, with some disembarking in Saint Helena and traveling to various countries.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
A recent hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina, in March 2026, has been linked to a cluster of infections among passengers. As of current reports, three passengers have died, and one remains in intensive care in Johannesburg, South Africa.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship
netec.org · 2026-05-05
The National Emerging Special Pathogens Training and Education Center (NETEC) discussed the hantavirus outbreak aboard the MV Hondius expedition vessel on May 5, 2026. The ship departed Ushuaia, Argentina, in March 2026, and the outbreak is considered unusual due to its occurrence at sea, as hantavirus infections are typically associated with land-based exposure in endemic regions. As of the report, three passengers had died, and one remained in intensive care in Johannesburg, South Africa, with several additional suspected cases under investigation. The timing of the outbreak coincided with
Reference
Two people in Finland placed in hantavirus quarantine
helsinkitimes.fi · 2026-06-02
Finnish health authorities placed two individuals in quarantine on May 12, 2026, after possible exposure to the Andes strain of hantavirus during an international flight from Johannesburg to Amsterdam on April 25. The exposed passengers, who remain asymptomatic, are undergoing a 42-day quarantine period. Finland's government classified the Andes strain as a generally hazardous communicable disease, which allows authorities to impose formal quarantine orders and provides affected individuals access to infectious disease compensation payments. The Finnish Institute for Health and Welfare (THL)
Reference
Request for information (RFI): Hantavirus cases reported on a cruise ship from Argentina; three deaths and multiple cases
beacon.bu.edu · 2026-05-03
BEACON issued a Request for Information (RFI) on May 3, 2026, regarding hantavirus cases reported on the MV Hondius cruise ship, which departed Ushuaia, Argentina, on March 20, 2026. Three passengers have died, and one British citizen remains in intensive care in Johannesburg following confirmation of hantavirus infection. The WHO confirmed one laboratory-confirmed hantavirus case with five additional suspected cases among the approximately 170 passengers and 70 crew members. The first fatality was a 70-year-old male passenger whose body remains on Saint Helena island; his 69-year-old wife wa
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-02
A hantavirus outbreak aboard the MV Hondius, which departed Ushuaia, Argentina, in March 2026, has resulted in three passenger deaths and one in intensive care in Johannesburg. Several suspected cases are under investigation. This outbreak is unusual for occurring at sea, though it coincides with Argentina's seasonal peak for hantavirus.
Reference
Hantavirus Patients Under Quarantine Could Go Home—If They Agree To 24/7 Surveillance, Report Says (Latest Updates) - Forbes
vertexaisearch.cloud.google.com · 2026-06-02
Americans quarantined in Nebraska after potential exposure to the Andes hantavirus on the MV Hondius cruise ship were reportedly offered the option to complete their remaining three weeks of quarantine at home, provided their states agreed to 24/7 surveillance by a police officer or health worker. This proposal, made on May 29, 2026, was met with resistance from some passengers. The article also provides updates on international cases linked to the cruise ship: a French national evacuated to Paris tested positive, as did two Spanish nationals (one in Madrid). A Swiss man treated in Zurich als
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship
vertexaisearch.cloud.google.com · 2026-06-03
NETEC reported on May 5, 2026, about a recent hantavirus outbreak aboard the MV Hondius expedition vessel, which departed Ushuaia, Argentina, in March 2026. The outbreak has been linked to three passenger deaths, one critically ill patient in Johannesburg, and several suspected cases. This event is unusual due to its maritime setting, as hantavirus is typically associated with land-based exposure, and coincides with Argentina's seasonal peak.
Reference
Hantavirus Patients Under Quarantine Could Go Home—If They Agree To 24/7 Surveillance, Report Says (Latest Updates)
vertexaisearch.google.com · 2026-06-03
This Forbes report provides a timeline and details of the MV Hondius cruise ship outbreak. It mentions a 70-year-old Dutch man who died on April 11, his 69-year-old wife who died in Johannesburg after testing positive for Andes hantavirus, and a German woman who died on May 2. A British passenger was medically evacuated to South Africa and confirmed with hantavirus. American residents are in a biocontainment unit at Emory University and Nebraska.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-03
This May 5, 2026, article from NETEC discusses the M/V Hondius outbreak, noting its unusual occurrence at sea. It highlights that the vessel departed Ushuaia, Argentina, in March 2026, and that three passengers have died, with one in intensive care in Johannesburg. The timing coincides with Argentina's seasonal peak for hantavirus.
Reference
Finland adds Andes virus to dangerous disease list
vertexaisearch.cloud.google.com · 2026-06-03
Finland has classified the disease caused by the Andes strain of hantavirus as a generally hazardous infectious disease following a deadly outbreak linked to the cruise ship MV Hondius. This measure, approved on May 11, 2026, gives authorities legal powers to order quarantine for exposed individuals. Two Finnish travelers potentially exposed on a flight from Johannesburg to Amsterdam are being monitored.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-03
NETEC reported on May 5, 2026, on the hantavirus outbreak aboard the MV Hondius cruise ship, which departed Ushuaia, Argentina. As of current reports, three passengers have died, one remains in intensive care in Johannesburg, and several suspected cases are under investigation. The outbreak is unusual for occurring at sea, though the timing coincides with Argentina's seasonal peak. Person-to-person transmission is rare and only documented with certain strains like the Andes virus.
Reference
APAC monitors hantavirus as Singapore isolates 2 from cruise ship | BioWorld
bioworld.com · 2026-06-03
Singapore's Communicable Diseases Agency (CDA) isolated two residents for hantavirus testing on May 7, 2026, after they disembarked from the MV Hondius cruise ship, which had an outbreak resulting in three deaths. These individuals were on the same flight from St. Helena to Johannesburg as an infected person who later died in South Africa. Other Asia-Pacific (APAC) countries, including Korea, Japan, and Australia, have also issued formal advisories, reiterating a low risk of domestic spread. The Andes virus, found in the Americas, causes HCPS and has been associated with human-to-human transmi
Reference
How South African scientists identified hantavirus on a cruise ship thousands of miles away
vertexaisearch.cloud.google.com · 2026-06-03
The Associated Press reported on May 23, 2026, on how South African infectious disease specialists quickly identified the Andes strain of hantavirus in a patient evacuated from the MV Hondius cruise ship to a Johannesburg hospital. This rapid identification allowed the WHO to declare an outbreak and initiate a global response.
Reference
Hantavirus Patients Under Quarantine Could Go Home—If They Agree To 24/7 Surveillance, Report Says (Latest Updates) - Forbes
vertexaisearch.cloud.google.com · 2026-06-03
As of May 29, 2026, several nationals who disembarked from the MV Hondius cruise ship have tested positive for the Andes hantavirus. A French national evacuated to Paris, a Spanish national evacuated to Madrid, and a second Spanish national tested positive. A Dutch passenger and a British passenger were evacuated to the Netherlands for medical care. A Swiss man who disembarked in Saint Helena tested positive after returning home to Zurich. A British man in Tristan da Cunha is a suspected case. The outbreak has also seen deaths, including a German national on May 2 and a Dutch man on April 11,
Reference
Hantaviruses - ANRS Maladies infectieuses émergentes
anrs.fr · 2026-06-03
Between January and March 2026, France's National Reference Centre for Hantaviruses recorded 19 confirmed cases of hantavirus infection, consistent with the monthly average. Separately, an outbreak of Andes hantavirus on a cruise ship, reported to WHO on May 3, 2026, involved two laboratory-confirmed cases and five suspected cases among 147 passengers and crew. Three people died, and one British tourist was hospitalized in Johannesburg, South Africa, testing positive for Andes hantavirus.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
vertexaisearch.cloud.google.com · 2026-06-03
A recent hantavirus outbreak aboard the MV Hondius, an expedition vessel that departed Ushuaia, Argentina, in March 2026, has been linked to a cluster of infections among passengers. As of early May, three passengers had died, one remained in intensive care in Johannesburg, and several additional suspected cases were under investigation among passengers and crew. This outbreak is considered unusual because it occurred at sea, as hantavirus infections are typically associated with land-based exposure in endemic regions. Investigators suspect environmental exposure as the most likely source, pot
Reference
ANDV Hantavirus 2026 Mapping Known Infections & Deaths
arcgis.com · 2026-06-03
This report maps known infections and deaths related to the Andes hantavirus outbreak in 2026, primarily focusing on cases linked to the MV Hondius cruise ship. It identifies a confirmed case in Zurich, Switzerland, involving a Swiss national who departed the ship. Another confirmed hantavirus case involved a British national whose last known location was Johannesburg, South Africa. Additionally, a Dutch crew member and a ship doctor were confirmed positive, with their last known location being the Netherlands.
Reference
What to Know About the Recent Hantavirus Outbreak Linked to a Cruise Ship | NETEC
netec.org · 2026-05-05
A hantavirus outbreak aboard the MV Hondius, which departed Ushuaia, Argentina, in March 2026, has led to three passenger deaths and one in intensive care in Johannesburg as of May 5, 2026. This maritime outbreak is unusual for hantavirus, typically associated with land-based exposure. Investigators suspect environmental exposure on the vessel or during embarkation, with the Andes strain confirmed, which is known for rare human-to-human transmission.

Reminder

This report is an aggregated summary of public information for surveillance and awareness purposes only. It is not medical advice. For symptoms, exposure, or clinical decisions, contact a qualified clinician or your local public-health authority.