The contained Andes virus cluster aboard the MV Hondius cruise ship in spring 2026, which produced roughly 13 cases and three deaths before ending with no community transmission, underpins the 97.5% market-implied probability against a hantavirus pandemic this year. Most hantaviruses remain strictly zoonotic, spreading via rodent excreta with negligible sustained human-to-human chains; the Andes strain’s estimated R0 near 1.2 requires prolonged close contact and proved containable through quarantine and contact tracing by WHO, CDC, and ECDC. Ongoing national surveillance shows typical low sporadic incidence without signs of enhanced transmissibility or rodent-driven spillover surges. A realistic shift would require a novel, highly contagious variant or undetected amplification in a new region, developments that current monitoring has not indicated.