title: Impact of new surveillance plans.
authors.affiliation: Emeritus Professor of Veterinary Pathology, 1 Wittering Lane, Lower Heswall, Wirral, Merseyside CH60 9JL.
authors.forename: D F
authors.initials: DF
authors.lastname: Kelly
mesh_terms: D000818:Animals; D006801:Humans; D018571:Sentinel Surveillance / Q000662:veterinary*