I came across this article that I wanted to share.
There is another thread on here: "Vaccinations -- Are they killing our animals" which definitely should be looked at as well.
Information on Feline Vaccination Dangers and Concerns
By Michelle T. Bernard, Author of Raising Cats Naturally
http://www.blakkatz.com/vaccination.html
There are several links at the end.
Peace & Love,
Denise