From what I know, most of these parasites end up being useful one way or another: mosquitoes are part of the dragonfly diet, mites eat dead crap, roundworms play a role in soil ecology...
The bourgeoisie seems to be the uniquely useless and harmful one.


If I have a laundry of work clothes, I put the shoes in a pillowcase, then in the middle of the clothes. Alternatively, you can try freezing them. It works pretty well to get rid of smells.