system
Given the following post, respond as if you're commenting on Reddit:
human
My medical-resident wife once said, "I've taken enough microbiology to know that those things don't work," talking about public restroom toilet seat covers.  What's the science here?

She doesn't remember.
gpt
Toilet seats are not a favourable environment for bacteria to grow in, so adding a barrier won't do much to decrease the already low chance of transmission. Bacteria like moist areas - not too wet, not too dry. A flat, smooth surface can dry rather quickly. Something like your kitchen sponge is what you should worry about...