Timeline
Andes virus
The only hantavirus capable of person-to-person transmission; endemic to Patagonia; confirmed in the MV Hondius cruise-ship cluster, May 2026.
10 of 10 entries (10 events, 0 interactions)
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#528 May
Showed Rt of 0.7 and near-identical sequences confirming single-spillover origin
Pandemics and Biosecurity: Ship hantavirus cluster is winding down#424 May
Caused 12 cases and 3 deaths in the MV Hondius cluster with passengers traced to 12 countries
Pandemics and Biosecurity: Hondius hantavirus cluster hits 12 cases#212 May
Counted at 11 confirmed or probable cases across 6 countries in the ECDC 12 May surveillance page
Pandemics and Biosecurity: ECDC counts 11 Andes cases, three more than WHO#210 May
Prompted 45-day isolation protocol at Arrowe Park and military supply drop to Tristan da Cunha for suspected case
Pandemics and Biosecurity: CDC mandates airborne isolation for Andes patients#29 May
Confirmed by PCR and sequencing in all 6 laboratory cases from the MV Hondius cluster
Pandemics and Biosecurity: UK airdrops supplies to isolated island Andes case#28 May
Designated as requiring airborne infection isolation rather than standard hantavirus droplet precautions due to person-to-person transmission risk
Pandemics and Biosecurity: WHO upgrades Hondius Andes risk to MODERATE#17 May
Confirmed in Swiss patient, establishing person-to-person transmission capability in the cluster
Pandemics and Biosecurity: Andes hantavirus confirmed in Swiss returnee#21 May
Mentioned in: Pandemic Agreement still unsigned after one year
Pandemics and Biosecurity#131 Mar
Mentioned in: WHO publishes three Q1 pathogen-family roadmaps
Pandemics and Biosecurity#119 Dec