{"api":"The Scramble Data API","version":"v1","docs":"https://the-scramble.com/api","data_as_of":"2026-11-04","data_as_of_label":"Nov 4, 2026","data_pulled_at":"2026-11-11T00:56:23.757Z","generated_at":"2026-11-11T18:39:11.422Z","attribution":"Credit The Scramble (the-scramble.com) with a visible link to the page the figure came from; every record carries its page_url.","id":"hpai/layer-flocks","section":"hpai","section_label":"HPAI tracker","title":"HPAI egg-layer tracker","subtitle":"Commercial egg-layer flocks affected by highly pathogenic avian influenza, by detection date, from APHIS","description":"Highly pathogenic avian influenza in commercial egg-layer flocks, tracked by APHIS detection date, by state and event. 18.4M layer birds affected so far in 2026.","page_url":"https://the-scramble.com/hpai/layer-flocks","headline":"16 layer detections YTD, 18.4M birds","unit":"birds","data_through":"2026-11-04","frequency":"Updated as detections are confirmed","status":"current","source":"USDA APHIS, Confirmations of HPAI in Commercial and Backyard Flocks","provenance":{"source":"USDA APHIS, Confirmations of HPAI in Commercial and Backyard Flocks","series":"Commercial egg-layer birds affected, by detection date","geography":"National, by state","unit":"birds","lastObservation":"Nov 4, 2026","frequency":"Updated as detections are confirmed"},"citation":"18.4M layer birds have been affected by HPAI so far in 2026, across 16 confirmed layer detections in 8 states. Most recent: Nov 4, 2026 (USDA APHIS, data through Nov 4, 2026). The Scramble. https://the-scramble.com/hpai/layer-flocks","series":[{"label":"Layer birds 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layer HPAI detections by state, 2026","columns":["State","Layer detections","Birds affected","Latest"],"rows":[["Pennsylvania",8,"7.5M","Mar 17, 2026"],["North Carolina",1,"3.3M","Feb 27, 2026"],["Wisconsin",2,"2.7M","Mar 10, 2026"],["Colorado",1,"1.3M","Jan 30, 2026"],["California",1,"1.3M","Oct 28, 2026"],["Utah",1,"1.2M","Jul 6, 2026"],["Illinois",1,"934,600","Oct 19, 2026"],["Oregon",1,"94,200","Nov 4, 2026"]]},{"caption":"Egg-layer HPAI: 2025 vs 2026","columns":["Year","Layer detections","Birds affected","States affected"],"rows":[["2025 (full year)",48,"41.8M",12],["2026 (year to date)",16,"18.4M",8]]},{"caption":"Every 2026 egg-layer detection (each row is deep-linkable)","columns":["Detection date","State / county","Layer birds","Control area"],"rows":[["Nov 4, 2026","Oregon / Clackamas","94,200","Active"],["Oct 28, 2026","California / Stanislaus","1.3M","Active"],["Oct 19, 2026","Illinois / Clinton","934,600","Active"],["Jul 6, 2026","Utah / Cache","1.2M","Released"],["Mar 17, 2026","Pennsylvania / Lancaster","870,000","Released"],["Mar 10, 2026","Wisconsin / Walworth","1.5M","Released"],["Mar 6, 2026","Pennsylvania / Lancaster","175,000","Released"],["Feb 27, 2026","North Carolina / Hyde","3.3M","Released"],["Feb 27, 2026","Wisconsin / Jefferson","1.2M","Released"],["Feb 18, 2026","Pennsylvania / Lancaster","1.5M","Released"],["Feb 17, 2026","Pennsylvania / Lancaster","2.6M","Released"],["Feb 17, 2026","Pennsylvania / Dauphin","69,400","Released"],["Feb 11, 2026","Pennsylvania / Lancaster","104,800","Released"],["Feb 3, 2026","Pennsylvania / Lancaster","722,100","Released"],["Jan 30, 2026","Colorado / Weld","1.3M","Released"],["Jan 28, 2026","Pennsylvania / Lancaster","1.5M","Released"]]}]}