Take a deep breathe, hold it, exhale slowly. Try to relax.
<i>It's just a hobby.</i>
Understandably, pests are something we want to prevent at all costs, and if you can keep them out of your system, you've got one less thing to stress you out.
When I discovered AEFW in my tank, after reading all the horror stories, I tackled it like I tackle most problems. I dealt with that particular coral, and considered what I might have to do if my whole reef had to be treated.
Fortunately, treating for redbugs is a very simple and painless event. AEFW are more difficult. In my case, I dealt with the corals that were a problem, while the rest of my reef seems fine.
A small hospital tank or quarantine tank would be best, even if it is jut a temporary arrangement.