Hantavirus in South America: A Physician's Prevention Guide for Travelers (2026)
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Bariloche, Río Negro, ArgentinaConfidence 95%Jun 1, 2026
A physician's guide advises travelers to South America on hantavirus prevention, highlighting endemic regions like Argentine Patagonia, Chile, Bolivia, and Peru, and the importance of avoiding rodent exposure.
Species mentioned
- humans
- rodents
Source articles
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- PrimaryHantavirus in South America: A Physician's Prevention Guide for Travelers (2026)
vertexaisearch.cloud.google.com · 2026-06-01
A physician's guide published on May 6, 2026, advises travelers to South America on hantavirus prevention. It highlights that the Andes virus is endemic in wild rodent populations across southern and western South America, particularly in Argentine Patagonia (Bariloche, El Bolsón, Río Negro, Neuquén provinces) and parts of Chile, Bolivia, and Peru. Prevention relies on avoiding rodent-droppings exposure in rustic, enclosed spaces, as there is no vaccine for the Andes strain.
- ReferenceHantavirus is on the rise in Argentina, where a stricken cruise ship began its journey
vertexaisearch.cloud.google.com · 2026-06-02
Argentina is experiencing a surge of hantavirus cases, with 101 infections reported since June 2025, roughly double the previous year, and a mortality rate of nearly one-third. This rise is linked to climate change and expanding rodent ranges. The Andes virus, which can cause severe lung disease, was detected in passengers of the MV Hondius cruise ship that departed from Ushuaia. A case was also reported in Bariloche, Río Negro Province.
- ReferenceHantavirus is on the rise in Argentina, where a stricken cruise ship began its journey
vertexaisearch.cloud.google.com · 2026-06-02
Argentina is experiencing a surge in hantavirus cases, with 101 infections reported since June 2025, roughly double the caseload of the previous year. The Andes virus, prevalent in South America, has a mortality rate of nearly a third of cases. This increase is linked to climate change, and authorities are investigating a hantavirus outbreak on a cruise ship that departed from Ushuaia. A case was reported in Bariloche, Río Negro Province, and an alert was issued for Buenos Aires province.
- ReferenceHantavirus is on the rise in Argentina, where a stricken cruise ship began its journey
latimes.com · 2026-06-02
Argentina has recorded 101 hantavirus infections since June 2025, a figure approximately double the caseload from the same period the previous year, with the mortality rate nearly tripling to about one-third of cases. Experts link the surge to climate change, which expands the range of rodents carrying the virus. The mountain resort town of Bariloche, Río Negro Province, reported its first human hantavirus case of 2026.
- ReferenceHantavirus is on the rise in Argentina, where a stricken cruise ship began its journey
latimes.com · 2026-06-02
Argentina is experiencing a surge in hantavirus cases, with 101 infections reported since June 2025, double the previous year, and a tripling of the mortality rate to about one-third of cases. This increase is linked to climate change, which expands the range of rodents carrying the virus. The Andes virus, found in South America, causes severe hantavirus pulmonary syndrome. The article also mentions an outbreak on the MV Hondius cruise ship, which departed from Ushuaia, Argentina. Argentine officials are investigating where infected passengers traveled before boarding. Additionally, the mounta
- ReferenceHantavirus in South America: A Physician's Prevention Guide for Travelers (2026)
travelwithwandr.com · 2026-05-07
An updated physician's guide for 2026 provides essential prevention information for travelers to South America, particularly regions like Patagonia, regarding hantavirus. The guide highlights high-risk areas for Andes hantavirus, which is endemic to wild rodent populations in Argentina, Chile, Bolivia, and parts of Peru. Specific high-risk regions include Argentine Patagonia (Bariloche, El Bolsón, the Lake District, Río Negro, and Neuquén provinces) and Chilean Patagonia (Aysén Region, Torres del Paine National Park, Chiloé Island, and the Carretera Austral corridor). Prevention strategies f
- ReferenceHantavirus is on the rise in Argentina, where a stricken cruise ship began its journey
vertexaisearch.cloud.google.com · 2026-06-03
Argentina's Health Ministry reported 101 hantavirus infections since June 2025, roughly double the caseload recorded over the same period the previous year. The Andes virus, prevalent in South America, can cause a severe and often fatal lung disease called hantavirus pulmonary syndrome (HPS), with a recent mortality rate of nearly a third. Officials and experts are investigating if Argentina is the source of a deadly hantavirus outbreak that has gripped an Atlantic cruise ship, the MV Hondius, where passengers tested positive for the Andes virus. The surge in cases is attributed by local publ
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.