So far, the canine distemper vaccine that seems to be having the lowest
rate of reactions is Merial Purevax.  Some vets recently discussed this
on the Ferret Health List.  We personally have had ones who reacted to
each Galaxy or Fervac, and two who reacted to both Galaxy and Fervac.
 
--Sukie
http://groups.yahoo.com/group/Ferret-Health-List
http://geocities.com/sukieslist
[Posted in FML issue 3771]