To Rita, After 6 years of reaction-free distemper vaccinations, I would be inclined to go back to the "wrong" vaccine. Here in Perth, Western Australia, thousands of ferrets over the last 9 years have been receiving dog vaccine with not one reaction. In fact a distemper-only vaccine is not available in this country, so the ferrets also get immunised against hepatitis and parvo. No reactions, no distemper....ever. I would be very interested to know if there were any reactions to distemper vaccines before the ferret-specific vaccines were available. Anyone? Love & Dooks Shirley [Posted in FML issue 4448]