Google AI ranks first in CDC flu forecast

Google says its AI flu-forecasting system ranked first among 39 eligible models in the CDC’s end-of-season evaluation for the 2025–26 season. The result is a retrospective forecast comparison, not a guarantee for the next outbreak: public-health teams should preserve model versioning and human review while testing whether the ranking holds across geography and forecast horizon; the archive’s AI mathematics case study is a useful reminder that a research result becomes operational only after independent validation.