atypical BSE casemeans a BSE case which cannot be classified as a classical BSE case in accordance with the criteria laid down in the European Union reference laboratory’s method for the classification of bovine TSE isolates;
atypical scrapie casemeans a scrapie confirmed case which is distinguishable from classical scrapie in accordance with the criteria laid down in the European Union reference laboratory’s technical handbook on TSE strain characterisation in small ruminants;
classical BSE casemeans a BSE case classified as such in accordance with the criteria laid down in the European Union reference laboratory’s method for the classification of bovine TSE isolates;
classical scrapie casemeans a scrapie confirmed case classified as classical in accordance with the criteria laid down in the European Union reference laboratory’s technical handbook on TSE strain characterisation in small ruminants;
cohortmeans a group of bovine animals which includes both:
index casemeans the first animal on a holding, or in an epidemiologically defined group, in which a TSE infection is confirmed;
scrapie casemeans a transmissible spongiform encephalopathy confirmed case in an ovine or caprine animal where a diagnosis of BSE has been excluded in accordance with the criteria laid down in the European Union reference laboratory’s technical handbook on TSE strain characterisation in small ruminants;