Here's a picture of one of the nasties, although I don't know what it is for sure

I do know that it is a bad guy, and it is protozoa. I think it may be entamoeba histolytica.

There are many varieties, but this is a large one. It is several sizes bigger than a red blood cell.
It was expelled after my stint with the anti-protozoa sulfa drugs.
There were many, and could be observed moving [very slowly]. I have many pics on record from that purge, but I am really after more fluke evidence. Shroom Tweet