I was just going to overlook his posts because they clearly showed either very little understanding or an intentional refusal to understand an issue.

BUT,

The only test that has ever been used to definitively prove CWD has been tissue sampling and that is still true to this day. Gains have been made in testing and in clinical testing the prions have been found in urine, feces, and saliva, but the new tests used for testing MCD are showing they may be adjusted to test for CWD. All relatively recent breakthroughs.

If you would like some reading:

Food Safety

CWD and Human prion protein

CWD.org