Overview

• The national reference laboratory in Algete confirmed H5N1 at a commercial egg farm in Olmedo, marking Spain’s sixth domestic-bird outbreak this year and the first in Castilla y León.
• The laying-hen facility reported a slight rise in mortality and holds about 760,000 birds, prompting official sampling and notification.
• Castilla y León established a 3‑kilometre protection zone and a 10‑kilometre surveillance zone around the affected site in line with EU rules.
• Authorities have initiated culling and destruction of birds, cleaning and disinfection, and an epidemiological investigation to determine the source.
• The Agriculture Ministry reported two H5‑positive white storks from the Doñana area; Andalusia maintains level 2 emergency measures with reinforced surveillance and public guidance, and officials say cooked poultry and eggs remain safe and the risk to exposed workers is low.