H5N1 avian influenza has been confirmed in turkeys on premises near Thetford, Norfolk.  The site was identified last week as a 'Dangerous Contact' of the first infected premises near Diss, Suffolk, so culling of the birds is already complete.  A 3km Protection Zone has been placed around the premises on the Norfolk/Suffolk border and the existing 10km Surveillance Zone has been extended.  A wider Restricted Zone covers the whole of Suffolk and most of Norfolk. 
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