I brought Navarro to the vet for his 2nd set of shots today. The first set was given by his breeder at 6 weeks. The vets that I went to wanted to give him 4 rounds of shots, his last round being at week 20. I told them 3 would be plenty, since we're relocating back to Canada at the end of Feb (he will be 18 weeks by then). Should I be getting him vaccinated one more time when I get back to Canada? 5 rounds sounds like a lot to me.