Hantavirus, primarily a rodent-borne zoonosis causing hantavirus pulmonary syndrome with case fatality rates of 30-40%, shows no evidence of sustained human-to-human transmission capable of fueling a 2026 pandemic. The main 2026 event—a contained Andes virus cluster on the MV Hondius cruise ship yielding 13 cases and three deaths—was declared over by July after quarantines and contact tracing across 33 countries, with WHO and CDC assessments rating global risk low due to the virus's limited airborne or close-contact spread. Official surveillance reports from the Americas confirm only sporadic, localized cases consistent with historical baselines, not exponential growth or community transmission. While mutation enabling efficient person-to-person spread or undetected rodent amplification in new regions could theoretically alter this, current epidemiological data and monitoring indicate these remain improbable before year-end.