Hantavirus is on the rise in Argentina, where a stricken cruise ship began its journey

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• Primary
  Hantavirus 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.

• Reference
  Argentine authorities trap rats to hunt for source of deadly hantavirus outbreak | CBC News↗

  cbc.ca · 2026-05-19

  Argentine investigators have begun trapping rodents in the forests surrounding Ushuaia, the southernmost city, as part of a wider investigation into the source of a deadly hantavirus outbreak on the MV Hondius cruise ship. The aim is to detect the possible presence of the rat-borne virus in an area previously thought unaffected. The outbreak on the cruise ship resulted in three deaths and sickened several others, including one Canadian. Scientists from the state-backed Malbrán Institute are collecting samples from captured rats for testing at their main Buenos Aires laboratory, a process expe

• Reference
  The Current Andes Hantavirus Situation in Argentina (May 2026) - World Health Network↗

  vertexaisearch.cloud.google.com · 2026-06-03

  Argentina is experiencing a significant increase in Andes virus activity, including expansion into more populated regions and increasing mortality. There have been 101 cases thus far in the 2025-2026 season (July to June), compared to 57 in the previous season, and the lethality rate has risen to 32%. Multiple sources report elevated activity in 2026, with one Argentine Ministry of Health summary citing 41 confirmed cases and another noting 42 cases, with most occurring in Buenos Aires Province. This spread into more densely populated and globally connected cities increases the risk of larger

• Reference
  The Current Andes Hantavirus Situation in Argentina (May 2026) - World Health Network↗

  whn.global · 2026-05-14

  As of May 14, 2026, Argentina is experiencing a significant increase in Andes virus activity, with 101 cases reported in the 2025-2026 season, compared to 57 in the previous season. The lethality rate has also risen to 32%. Cases are expanding into more populated regions like Buenos Aires Province, increasing the risk of larger local outbreaks and global spread due to human-to-human transmission capability of the Andes strain.

• Reference
  The Current Andes Hantavirus Situation in Argentina (May 2026) - World Health Network↗

  worldhealth.net · 2026-06-03

  Argentina is experiencing a significant increase in Andes virus activity, with 101 cases reported in the 2025-2026 season so far, compared to 57 in the previous season. The lethality rate has also risen substantially to 32% for cases spanning most of 2025. Recent reports indicate elevated activity in 2026, with one Ministry of Health summary citing 41 confirmed cases and incidence exceeding the epidemic threshold. Most cases in 2026 have occurred in Buenos Aires Province. The spread of Andes virus into more populated regions like Buenos Aires increases the risk of larger local outbreaks and