The limited Andes virus cluster aboard the MV Hondius cruise ship in spring 2026—yielding 13 confirmed or probable cases and three deaths—drove the near-certain market consensus against a hantavirus pandemic. Official CDC and WHO monitoring through June confirmed no sustained person-to-person transmission beyond the ship after 42-day quarantines and contact tracing of hundreds of individuals across multiple countries. Hantaviruses remain primarily rodent-borne zoonoses transmitted via aerosolized urine, droppings, or saliva, with the Andes strain permitting only close-contact spread unlike highly transmissible respiratory pathogens. No new clusters or elevated case counts have emerged by September 2026. A realistic shift would require a novel spillover event involving a more efficiently transmissible strain or undetected mutation enabling broader airborne spread, though current epidemiological data show no such trajectory.