The fourth case of avian influenza H5N1 to be confirmed on the 14th October was on another commercial poultry premises near Attleborough in Norfolk. All of Norfolk was in a regional Avian Influenza Prevention Zone at this point, as well as was subject to a mandatory housing order, requiring birds to be housed until further notice. A 3km Protection Zone and 10km Surveillance Zone were declared around the premises at 8:30pm that same evening.

