[QUOTE=kjc;3425177]I think I remember reading that the human vaccine was developed in 2004, the canine vaccine didn't come out till 2009. (I Googled 'Leptosporosis')
Here are some links including one announced at a vet continuing education informing vets of the new product.
Leptospira Vaccine - DVM
This guy who is a vet also talks about it
Leptospirosis in Dogs How They Catch It, How We Cure It, How We Prevent It
In 2008, Fort Dodge came out with this pet owner information site on lepto as well.
Canine Lepto Disease