Figure. Distribution of free-ranging roe deer, red deer, and fallow deer tested for transmissible spongiform encephalopathies that shows the risk for each district where samples were obtained.
, samples originating from a district without any risk attributes;
, samples originating from a district where BSE incidence in cattle was higher than average BSE incidence in Germany;
, samples originating from a district with occurrence of scrapie in domestic sheep;
, samples from red deer originating from a district with high red deer density;
, fallow deer samples originating from a district with high fallow deer density; n, number of samples from each federal state. Samples came from 14 (88%) of the 16 federal states (2 missing states are 2 major cities with almost no deer population) and from 280 (87%) of the 323 German administrative districts.