{"event":{"id":"evt-hist-20260930-google-flusight-cdc-study","dedupe_key":"public_health_forecast_evaluation_publication:2026-09-30:cdc-publishes-2025-26-flusight-evaluation-with-google-ensemble-top-ranked","event_type":"public_health_forecast_evaluation_publication","title":"CDC publishes 2025-26 FluSight evaluation with Google ensemble top-ranked","summary":"CDC published its 2025-2026 FluSight evaluation on 30 September 2026. Google_SAI-FluEns was the best performing individual submission on relative weighted interval score, while the CDC operational FluSight ensemble ranked seventh; the historical evaluated season predates the publication. No claim of future clinical efficacy.","occurred_at":"2026-09-30T00:00:00.000Z","published_at":"2026-09-30T00:00:00.000Z","observed_at":"2026-10-18T07:55:00.000Z","reconstructed_at":"2026-10-18T07:55:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.9,"metadata":{"canonical_novelty_exhaustive":0,"date_precision":"day","evidence_only":1,"no_production_mutation":1,"original_index_position":892,"reported_results_not_independently_replicated":1},"created_at":"2026-10-19T05:48:03.667Z","updated_at":"2026-10-19T05:48:03.667Z"},"artifacts":[{"id":"art-hist-20260930-google-flusight-cdc-study","dedupe_key":"744c11f356d16dacdb4d7f609f6fc9e3a339d1cff2359284f3e9c23010045575","canonical_url":"https://www.cdc.gov/flu-forecasting/evaluation/2025-2026-report.html","evidence_locator":"","artifact_type":"publisher_documentation","title":"CDC publishes 2025-26 FluSight evaluation with Google ensemble top-ranked","summary":"","creator_entities":[],"released_at":"2026-09-30T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T05:48:03.666Z","updated_at":"2026-10-19T05:48:03.666Z","relation":"documented_by"}],"signals":[]}