Whats the difference between a one and three year rabies vaccine?
What’s the difference between a one and three year rabies vaccine? This question came up on Twitter: “I do not understand why I can get a 3 year vaccine in Wisconsin and only a one year in Illinois for my dog.”Answer: The answer is that when using an adjuvanted* vaccine approved for 3 years, there is no difference as far as local laws are concerned. What makes the rabies vaccination “good” for one year or three years is determined by two things: 1) the animal’s age and rabies vaccine history, and 2) if the state and municipal laws require annual vaccinations for rabies. *adjuvant: an agent added to a vaccine to help stimulate the immune system. See below for more information on adjuvanted versus non-adjuvanted vaccines. Dogs and cats are first vaccinated for rabies between 4 and 6 months of age. They need a booster one year from that date. They are then vaccinated every three years, although some s
