Hi, everyone.FIrst of all, I am sorry to stick on pobia here.I have spent with so many symptoms for 13 months.I have got negative result on 10 month with ELISA.But I still have some symptoms such as diarrhea and fatigue and muscle pain on my back.Few week ago, my all of toenail became black.Is there any symptom which is relative with toenail?I could not beleive what happen on my body.