Thank you for the reply! I nearly broke down crying today, it feels so overwhelming. How can a 1/4in bald spot wreck our life like this ? It’s impossible for us to quarantine this baby, she’ll scream bloody murder if we lock her up and we’re finally making progress with the introduction to the resident cats. I didn’t swifter the walls! Should I be doing that? Also we don’t want to get the rid of the cat trees, they were so expensive! I vacuumed them and used the steam cleaner and sprayed them with hydrogen peroxide from the pharmacy. The house has been exposed for less than a week (at least the lesion wasn’t there a week ago) and she’s already on a topical spray and oral meds as of today. She didn’t get any dips or shampoos though. Thank you again for sharing your experience.