Personally, I give puppy protocol, a yearly booster when rabies is administered, then I do not booster again until the dog is between 6-9y. Rabies every 3y per law. Bordetella when required by travel or boarding. Unless you had a reaction to the vaccine, you should be fine. I use high titer, modified live with no adjuvant. I would really avoid adjuvants. Here is a nice article about average titer levels and effectiveness for different vaccines in a study. This is what Vets should follow, but most don't... http://www.chercarkennels.net/images/aahavaccinereport.pdf