Dog vaccines must be 21 days apart dog vaccine interval time

Do dog vaccines have to be given 21 days apart? Dog vaccines must be given 21 days apart. If the interval is too long, the previous shots may not be effective and need to be reinjected. If the interval is too short, the dog’s body will not have enough antibodies, which may lead to the dog’s body not being able to withstand and contracting diseases. Only after the antibodies in the dog’s body reach a certain amount can the dog have effective protection. The best interval between dog vaccinations is about 21 days, usually a difference of 1-2 days does not matter too much, do not differ by more than a week.