Volume 12, Number 12—December 2006
Perspective
On the Question of Sporadic or Atypical Bovine Spongiform Encephalopathy and Creutzfeldt-Jakob Disease
Figure 4

Figure 4. Numbers of tested cattle in the United States, 2000–2007. Number tested in 2006 as of August 20; number tested in 2007 proposed by the US Department of Agriculture.