Something I learned on drilling rigs that were using oil-based drilling mud.
The same rules apply in hospitals.
Don't lean on anything: counters, corners, walls.
If you don't need to touch it, don't. If you do, wear gloves when possible.
Look with your eyes, not your fingers.
Keep your hands in your pockets.
Keep your hands off your face (you'd be amazed at how often people touch their face, rub their eyes, touch their mouth or nose).
Similar to pathogens, a little dab of that drilling mud can end up smeared everywhere-only pathogens reproduce--'invert' (drilling mud) only seems to.
It applies to staying reasonably clean there, and would help keep from getting infected in a clinical environment. Hospitals are the only pathogen exchange sites more efficient than public schools and daycare facilities, at least that the public has access to.
I used to joke about being the sort who could get covered with drilling mud just looking at a rig from a couple miles away through binoculars. On one well, though, as a sort of joke, a service company hand gave a white satin promotional jacket to a Company Hand (onsite supervisor) I worked with, just to see how long it would take him to get it dirty. That man wore that jacket up onto the drill floor, and when he got back to his shack, to everyone's amazement, it was still spotless.
So, I watched how he managed to stay clean in a very dirty environment, observing him while he was up on the rig, and that's what those little rules came from. Following those rules made my laundry much easier to do...and helped keep my lab clean, too.