No, it's likely the vet will reccomend to vaccinate himanyway. But if he reccomedns a course of vaccs, change your vet!

There is no current clinical evidence that proves adverse reactions to vaccines, but they can and do happen. There is no clinical evidence as who is going to fund it? Vaccine manufacturers?!

You will always need to ask for a titre test, sometimes insist upon it, before a vet will do it.

Of course, plenty of dogs do get their yearly vaccines routinely, with no problems whatsoever. Equally, I know of someone who's dog never left the vets after having her booster, despite the vet doing a full health check prior to it and saying she was in perfect health.