Vaccinating every year? We here at Red River Yorkies use the NeoTech Vaccines, they produce a very High Titer and can last for Years. Re-Vaccinating has become more and more dangerous because of the foreign proteins, are adjuvanted (Adjuvants are chemicals that are added to enhance the immune response). Killed vaccines commonly are adjuvanted. Please discuss this with your vet. Most Titer Testing can be done in-house (their clinic) some vets may send it off to a lab, either way doing Titer Testing is way cheaper than Re-Vaccinating Yearly and it can save your dog from bad side affects.
CLICK THIS LINK TO LEARN MORE ON TITER TESTING!
CLICK THIS LINK TO LEARN MORE ON THE NEOTECH VACINES THAT WE GIVE OUR PUPPIES!!
Here is a very good read on why I AM AGAINST the Leptospirosis vaccination in the Yorkies. I hope this helps explain why you SHOULD NOT give this vaccine.
CLICK THIS LINK!!