Trader consensus on Polymarket reflects an 88.5% implied probability for no new pandemic in 2026, driven by the absence of any novel pathogen achieving sustained human-to-human transmission amid robust WHO and CDC surveillance. Sporadic H5N1 avian influenza cases, including a recent fatality in Bangladesh, remain zoonotic without evidence of efficient spread, while the ongoing multi-country mpox outbreak—now over 100,000 cases since 2022—has not escalated to pandemic thresholds per official epidemiological updates through April 2026. Hantavirus concerns from isolated reports, such as potential cruise ship incidents, have been downplayed by experts as unlikely to go global due to limited person-to-person transmission. With the WHO Pandemic Agreement in place since 2025 enhancing preparedness, and CDC forecasting a moderate 2025-2026 respiratory season, traders anticipate continued containment barring unforeseen developments; watch upcoming WHO Hub intelligence reports for shifts.