how often should a dog be vaccinated
How often does a dog need rabies vaccination? One shot at 4 months of age and a booster at 1 year. After that  very three years (with the 3 year vaccine) unless it is bitten by  another animal or if local laws require m â¦ ore frequent vaccinations.or rabies, in most states it is also 3 years but you would need to check with your local and state laws as some states require every year. Beware of over vaccination. Most pets do not need to be revaccinated even every 3 years.