Nosema

I have been doing a lot of thinking this winter about my colonies (steam coming out of ears at times!). One line of thought is Nosema (maybe a real underlying threat): Now I could treat prophylactically BUT...!
Is it something (ELSE) to worry about? Is the research being done to address it? Who knows?
Needs some investigating, maybe a case for "Dr. Bob"!
Then there's the training and BBKA but we won't go there! YET!!