I was neg before they had a range, last year was pos at .6 few months ago .8
I know people at 3 still getting Ty, my neuro warned above 1.0 but i'll keep taking it.

friend of mine raised the question- "does time between infusion & jc test effect #?"
Next time i see a dr i'll ask for 2 jc orders & have it drawn day before & day after Ty. Feel free to beat me to it.