Thanks for the replies guys, sorry i took so long to answer back.
I didn't know that rabies wasn't required here in Calgary but that is good to know.
I also decided to wait until next year because as most of you said, I don't want to over vaccinate and he is already 5 months now.
I had one final question, I volunteer for an animal rescue foundation (not frequently though) but i stopped for a while to make sure Oskar didn't catch a sickness. Would you guys say it would be safe to volunteer there again without putting Oskar's health at risk?