To prevent any outbreaks or problems:CLEAN-CLEAN-CLEAN
Kind of like keeping an awesome aquarium setup. If the snake poops or urinates, clean it up asap.
I don't think you will run in to many problems if you keep things clean and provide your snake with its requirements. I would quarantine any new snake added to your collection in an other room for about a month.
Also keep some guide books handy if you need to ID any problems.