I guess since I've had friends and family who have been seriously ill, I think of it as assuming someone is ill or immune-suppressed. Everything separate. Wash hands all the time. Feed current flock and new ones afterwards. Don't mix utensils or feed dishes at all. Don't wear shoes into your...
I'm so sorry you're going through this and I sincerely hope the rest of your flock will be okay. I knew little about bio-hygiene when I started with rehomed pullets, but I take it really seriously now. We are integrating 2 month old juveniles with our older ladies and I worried throughout those...