Date: May 11, 2026
Status: Ongoing Investigation - Multi-Country Cluster
Current Assessment: Risk to the general public remains low, according to the WHO.
Following a cluster of severe respiratory illness aboard the Dutch-flagged cruise ship MV Hondius, health authorities worldwide are tracking cases of Andes virus (ANDV). This rare hantavirus strain is notable for its potential, though limited, person-to-person transmission through close contact.
As of May 10, 2026, there are 8 reported cases, including 6 confirmed and 2 probable cases, and 3 confirmed fatalities.
Netherlands: Repatriation and Hospitalization: - Status: 1 confirmed case medically evacuated; 2 fatalities involving a Dutch couple. - Details: A Dutch patient was medically evacuated from the ship and is reported stable in isolation. Additionally, 29 passengers were flown to Eindhoven on May 10 and ordered into a mandatory 6-week home quarantine.
South Africa: Critical Care and Early Detection: - Status: 1 patient in intensive care. - Details: One passenger was evacuated to a Johannesburg hospital in early May. The case supported laboratory confirmation and sequencing that identified the Andes strain.
Switzerland: Post-Travel Diagnosis: - Status: 1 confirmed case. - Details: One passenger was diagnosed after disembarking and returning to Switzerland. Swiss authorities are monitoring for potential secondary transmission; no secondary cases have been reported in the update used for this report.
Spain: Evacuation and Testing: - Status: No confirmed active cases; 1 suspected case tested negative. - Details: The MV Hondius arrived at Granadilla, Tenerife, on May 10. Spanish authorities carried out a high-security evacuation and transferred passengers directly to repatriation flights.
France and United Kingdom: Monitoring: - France: One passenger reportedly developed symptoms during a repatriation flight on May 10 and is currently in isolation. - United Kingdom: 22 returning passengers and crew members have been placed in hospital quarantine in Northwest England for 42 days of active monitoring.
Key Resources for Web Publishers: - World Health Organization: Disease Outbreak News and global hantavirus updates. - European Centre for Disease Prevention and Control: Andes hantavirus surveillance and risk assessment. - CDC United States: Hantavirus clinical and public health guidance.
Publisher Note: Signal maps on independent tracking sites may aggregate news mentions, monitored passengers, suspected cases, and confirmed clinical cases. HantaWorld separates confirmed cases from monitored or probable signals wherever the source material allows, to avoid unnecessary public alarm.