Ah! I am pretty excited right now. We are talking about mycotic diseases. Translation=fungi! And funguses are pretty cool because A) they're not an animal, a vegetable, or a mineral and B) they're an important part of ecology and my love of that study will never die.
On a more spiritual note, I thought of this during our first hour of microbiology, the hour we were introduced to virology, which has a complexity I'd never really thought of: