/b/veterinary-news/posts/avian-flu-confirmed-in-lancashire H5N8 avian flu has been confirmed in a backyard flock of chickens and ducks near Thornton, Wyre, Lancashire. A 3 km Protection Zone and a 10 km Surveillance Zone have been put in place around the infected premises to limit the risk of the diseaseen-USTelligent Community 10