Before starting this thread I have searched in forum for "TBEV" with no results. So, I am assuming it has never been discussed. The question I wanted to ask: has TBEV, the tick borne encephalitis virus, ever been considered as a source to the misery called ME/CFS? I suppose it is not interesting to discuss the acute or death causing infections, but something like chronic TBEV infections. One important information to be known about TBEV, that it is not only tick-borne, but one can get it through non-processed cow milk. There have been many discussions about lyme, but I got the flash of an idiot today - TBEV is never included in non-TBEV endemic regions. I have been bitten by a dozen of ticks in a endemic region in my teens.