Usually when the puppy is about 2 months old, the first dose of the combined vaccine can be injected, followed by another injection about 21 days apart, for a total of three injections. Dogs can be given a shot of rabies vaccine when they are 3 months old, and then a booster shot of combined vaccine and rabies vaccine every year.

When injecting vaccines, you need to ensure that the puppy is in a healthy state and take measures to keep it warm. Dogs must be vaccinated regularly, otherwise they are likely to contract diseases and die.

The canine infectious diseases that frequently occur in China at present include canine distemper, parvovirus, canine infectious hepatitis, canine adenovirus type II disease, canine parainfluenza, canine leptospirosis and rabies, etc. These infectious diseases spread and develop very quickly. If timely treatment measures are not taken, the infected dogs may die within a short period of time.