I keep digging many different infection that I can reach.
My dog's case are rare but I did found other dogs was infected by distemper share the same symptoms as Princess.
There's the possibility of chicken bones as a culprit. But I'm now convinced more likely my dog was infected by
Also thanks the comment from Dr.Kathleen , Dr.Harmon & Dr.Gaolin.
My final word is...
i) Never give your dog any chicken bones.
ii) Close and isolated area can only reduce the infection rate.
iii) Keep good communication with a good Vet.
To my beloved Princess. Thanks you all.