I don’t know if the dog I bought has been vaccinated. Do I need to get vaccinated again if it has been vaccinated?

Jul 26,2025
5Min

Buy dogs should be vaccinated according to the situation

Generally speaking, the buyer will "claim" that he has been vaccinated, or "claim" that he has received a shot. So how to tell the difference?
If the dog is purchased from a regular kennel, it has been injected with imported vaccines, and a vaccine booklet for the dog will be included. The booklet will have the label on the vaccine bottle, which day and day it was administered. I remember clearly what vaccine I was given. In this case, there is basically no need to re-immunize.
But if you buy a dog at a price much lower than the market price from a dog market, a dog dealer, or a so-called "friend", and you cannot provide a vaccine booklet (a full set of vaccines costs at least more than 200 yuan) , for the health of your dog and to save you money in the future, please re-inject the vaccine!

Buy dogs can be tested for antibodies to determine whether to inject vaccines

The antibodies that the antigen (vaccine) stimulates the body to produce gradually disappear after a period of time. At this time, if When the body comes into contact with the same antigenic substance again, the disappeared antibodies can quickly rebound. This is why continuous vaccination is necessary. Therefore, qualified owners can ask the pet hospital to do an antibody titer test.

Dog vaccination process

Puppies that drink breast milk will be dewormed for 28 days and receive the first dose of vaccine at 42 days; dogs that do not drink breast milk will receive the first dose of vaccine on day 42. One shot of vaccine can be given in advance, and the recommended immunization schedule is as follows:
About 28 days, the first internal deworming; around 42 days, the first injection of the two-shot vaccine; 10 days later, the second internal deworming; After 10 days, the second vaccine (quadruple) is injected; after 20 days, the third vaccine (quadruple or six) is injected; around 4 to 5 months, the rabies vaccine is injected. After completing the deworming and vaccination in the puppy stage, pet dogs raised indoors should undergo external deworming every 2 months, internal deworming every 3 to 5 months, and vaccine boosters every one year (six months). (combination + rabies vaccine), encephalitis vaccine and Toxoplasma gondii vaccine are currently immature and are not recommended.
You can only take a bath and go out of the house after getting the rabies vaccine, otherwise you will be in trouble if you are infected! Remember! This is top priority! Another thing I would like to remind everyone is that Quanquan knows that you want to buy puppies and want to develop a relationship with the dog from an early age. Many people also buy dogs that are two or three months old. This is true, but please purchase a fully vaccinated dog from a regular kennel and ask the seller for the vaccine booklet.
According to general procedures, a 3-month-old dog should have been dewormed and immunized, and the cheapest price for deworming and immunization alone is more than 200 yuan and nearly 300 yuan. Therefore, please be careful when buying puppies that are low-priced, do not have vaccine books, and are produced in informal kennels, otherwise a small puppy can easily send the dog back to the dog star!
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