Figure 1
From: Tuberculosis in cattle: the results of the four-area project
Average annual confirmed restriction risk (CRR) in the removal and reference areas, and nationally, prior to the study period (September 1, 1992 to August 31, 1997) and during the study period (September 1, 1997 to August 31, 2000; September 1, 2000 to August 31, 2002).