Trader consensus on Polymarket reflects an 87.5% implied probability for no new pandemic in 2026, driven by the absence of any novel pathogen achieving sustained human-to-human transmission across multiple countries, as required for World Health Organization public health emergency of international concern designation. CDC and WHO surveillance data through early April show only sporadic H5N1 avian influenza human cases—over 890 globally since 2003, with no 2026 escalation to pandemic levels—while the Ethiopia Marburg virus disease outbreak concluded on January 26 without wider spread. Emerging threats like influenza D virus and canine coronavirus remain preclinical in humans, and COVID-19 variants such as BA.3.2 ("Cicada") represent endemic evolution rather than novelty. Recent WHO R&D roadmaps (April 7) bolster global preparedness under the 2025 Pandemic Agreement, though experts monitor zoonotic spillovers amid rising wildlife trade. Key upcoming data: weekly avian flu updates and ECDC threats reports.