Ontario Health Hantavirus Communication
As you may be aware, a cluster of confirmed and suspected Andes hantavirus (ANDV) infections, including fatalities, has been identified among passengers of the MV Hondius cruise ship. As of May 7, 2026, 8 cases have been reported, including 5 laboratory confirmed infections, and 3 deaths. The current hypothesis is that some passengers may have been exposed to ANDV in Argentina (where the virus is endemic) prior to embarking, with potential subsequent transmission occurring onboard the vessel. At this time, all known Ontario contacts associated with this cluster have been identified and are in contact with public health. These individuals are currently self-isolating […]
