Domain

Biosecurity.

Every signal GFO has published in this domain — classified by strength, evidenced by source.

HPAI reaches 203 million birds lost in US — European dairy cattle spillover signals new risk vector

The 2022–2026 US HPAI outbreak has now cost 203 million birds across 1,000+ commercial flocks. An ECDC/EFSA overview flags a potential first H5N1 spillover into European dairy cattle in the Netherlands — carrying major implications for EU dairy export certification.

13 Apr 2026 ·2 min read

signals

HPAI Now Endemic in North America — Structural Risk to Poultry Supply Chains Confirmed

The US Centers for Disease Control has confirmed HPAI H5N1 is endemic in North American wild birds, meaning annual seasonal reinfection of commercial poultry flocks is now structurally locked in. The 2024-25 season cost US consumers US$14.5 billion i

2 Apr 2026 ·2 min read