Bird flu ‘prevention zone’ declared across Great Britain

Strict biosecurity measures introduced from midday after largest outbreak yet in UK

An avian flu prevention zone" has been declared across Great Britain in the face of rising case numbers as the country battles its largest ever outbreak of the disease.

At midday on Monday, it became a legal requirement for all bird keepers in Great Britain to follow strict measures to protect flocks from bird flu, including keeping free-range birds in fenced areas and stringent biosecurity for staff on farms.