french moult

Hi, Few days ago I notice That one of my budgie lost his feathers and its rough and also his tail is become smaller and less active. Today I caught him to give him suppliement but he bite me roughly and I get few drops of blood. So now, I want to know That if he have French Molt (Polyoma Virus)...

I'm hand raising two Budgies and I'm fairly positive one has French Moult. They're about 5 weeks old now. From what I understand, it is caused by a virus. So far I've just been trying to keep my baby warm and well hydrated. I've also alerted the breeder so he can take precautions needed on his...