Argentina Investigates Possible Link to Hantavirus Outbreak on Cruise Ship

Officials say infection in Argentina has not been confirmed, while teams prepare rodent testing along the index passengers’ route.

A boat heads toward the port from the cruise ship MV Hondius, stationary off the port of Praia, the capital of Cape Verde, on May 6, 2026. AFP via Getty Images

Argentina is investigating whether a hantavirus outbreak aboard the MV Hondius cruise ship may be linked to exposure before passengers boarded in Ushuaia, in the south of the Latin American country.

Argentina’s Health Ministry announced the launch of the investigation in its May 6 update.