Our vet has been amazing - I will always stress to new owners the importance of having a reputable exotics vet within reachable distance!
The course of action seems to just be watch and wait. We'll be doing 6 month follow ups for the foreseeable future unless something changes. It is scary to think that no matter how careful you may be and how perfect your precautions are, illnesses like this can still sneak right under the radar until it's too late.