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<p style="font-family:"times new roman";font-size:medium;">Young dogs need to be vaccinated about 1 week after they are successfully weaned, and they must be vaccinated regularly. . When the puppies are vaccinated for the first time, the second vaccination will be scheduled at 1 month, and the third vaccination will be done exactly 1 month later. Do you know why dogs need three shots of vaccine? Is there any reason for this?

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<p style="font-family:"times new roman";font-size:medium;">There are general procedures after vaccination, and the body delivers antibiotics- ---It takes a certain amount of time to produce antibodies after being stimulated by the vaccine, which may take 2-3 weeks. However, the number of antibodies produced this time is very small, and the protection time is also short. These antibodies are ineffective against infectious diseases and cannot prevent epidemics, so only one vaccination is not enough.

<p style="font-family:"times new roman";font-size:medium;">Moreover, the reason why three injections of the vaccine are needed is that the memory lymphocytes need to be repeatedly stimulated. This is a biological immunological decision. Yes, the first immunization can only produce a small amount of antibodies, and the duration is short. Only repeated stimulation at a reasonable distance can produce more antibodies and have a long-term protective effect.

<p style="font-family:"times new roman";font-size:medium;">So for the second cross, the body can quickly produce a large amount of antibodies, which is the first reaction. Ten times as much and lasts longer in the body. If the third cross is performed 3-4 weeks after the second cross, the body willThe number of antibodies produced will increase dozens of times based on the second time. This gives the dog the ability to resist infectious diseases, and the dog can remain in the body for up to a year.