Investigates Andes orthohantavirus outbreak in cruise ship passengers, suggesting urgent need for preventive measures.
As at 18 June 2026, 13 cases (12 confirmed and one probable) of Andes orthohantavirus have been reported (case–fatality: 23%), linked to the Dutch-flagged expedition cruise ship MV Hondius . The event involved individuals from 23 nationalities and required medical evacuation, repatriation, coordinated international contact tracing, isolation, quarantine and clinical and laboratory testing follow-up. To date, all cases have been passengers (10/121; 8%) or crew members (3/61; 5%). Ongoing monitoring and investigations aim to clarify the source of the outbreak, identify risk factors and prevent further spread.
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