Table 1.

The immunohistochemical staining grade of elk in the preclinical and clinical stages of chronic wasting disease (CWD)

	Clinical status
Staining grade	Preclinical	Clinical	Total
1	49	2	51
2	128	5	133
3	16	23	39
Total	193	30a	223

^aStaining grade was not available for 3 elk that expressed clinical signs of CWD