Resolves Yes if World Health Organization (WHO) officially declares a pandemic caused primarily by any Hantavirus strain (e.g., Andes virus) between 2026-01-01T00:00:00Z and 2026-12-31T23:59:59Z, per who.int/emergencies declarations or equivalent pandemic phase announcements matching WHO definition of worldwide spread of new disease crossing international boundaries. No if no such declaration, outbreak contained (e.g., current MV Hondius cluster), or declaration post-2026. Ties/cancellations: No. Instant resolution upon official WHO statement.