Apparently this is a problem. I took Emilia to the doctor yesterday because she was tugging at her ears. Turns out she has another ear infection, and the doctor thinks she's allergic to Lily. The nurse practitioner thinks we should make Lily an outside cat; Dr. R thinks it's okay for Lily to be inside as long as she stays away from Emilia (and Emilia's stuff). I'm not sure what we're going to do. Unless we train ourselves to keep doors shut constantly, I don't think we can keep the cat away from the baby.