I do three month quarantine. I take care of established animals first, then the quarantined ones. I wash my hands for 30 seconds in hot water and antibacterial soap before AND after handling any of my animals.. but especially after handling quarantined herps.

I don't handle established animals after handling quarantines until the next day.

I have two rooms, unfortunately at this time only one is heated, so I can't stick all quarantines in the cool room. Hoping to fix this soon.

I have separate tools for established animals and quarantines. Two hooks, two bottles of chlorhexadine, two stacks of newspaper, two rolls of paper towels.. you get the idea.