Thanks again, Diego-
I'm sure I'm still going to be worried until he stops showing signs of the protozoan. I'm hoping to replace his mate after all this is over with. The plan is to cure (fingers crossed) the sick clown, wait about 10 days (more/less?) after there are no signs of illness, buy a healthy mate and pray they get along, keep *both of them in the hospital for an additional 10 days to two weeks, then finally - if both look happy and healthy - release them back into the display tank. Sound reasonable?

Wendy