Yes, angoras have been mentioned as having problems.  You can read about
them in the archives in http://groups.yahoo.com/group/Ferret-Genetics/
 
Sukie (who was given illegal trouble by a poll watcher:
http://tingilinde.typepad.com/starstuff/2004/11/undemocracy_in_.html )
and who also got a pneumonia vaccine today due to needing a flu vaccine
but being unable to get one due to the shortage in the U.S.  It's one
option for others who are in the same quandary.
[Posted in FML issue 4685]