Near Thetford, Norfolk

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercially housed poultry at a fourth premise near Thetford, Norfolk on the 13th September 2022. To contain the outbreak a 3km Protection Zone and 10km Surveillance Zone were declared around the premises. At this time, Norfolk was within an Avian Influenza Prevention Zone and had just entered a mandatory housing order.