It is not allowed to give a dog just one quadruple injection, because it is difficult to produce antibodies after only one injection, so it needs to be given 2 to 3 times, with an interval of 21 to 24 days between each time, and then once a year is enough; dogs After the dog is vaccinated, it is best to do an antibody test to confirm whether there are antibodies in the body. If there are no antibodies, a follow-up vaccination is required.
Tips:
Dogs can generally start to be vaccinated after 45 days of birth, and the dog must be confirmed when vaccinating Be in good health, and you need to observe the dog's condition after vaccination.