How long does rabies vaccine last in dogs?

The first rabies vaccination given to a dog at around four to six months of age lasts for one year, at which time the dog requires a booster rabies vaccination. The second round of rabies vaccinations and all subsequent vaccinations last for three years. read more

Rabies the Disease vs. Rabies the Vaccine. The one exception to vaccine "choice" is the rabies vaccine. It is the only vaccination required by law in the United States, as rabies is a fatal disease. It is also a zoonotic disease, meaning it may be transmitted from animals to humans. There is no cure for rabies. read more

But since part of the reason for pre-exposure rabies vaccination is to “prime” the immune system in case of later exposure, the post-exposure treatment (two doses of vaccine without rabies immune globulin) is the same even if exposure occurs more than two years after vaccination. read more