I believe everyone knows that if you have a dog or cat, you need to vaccinate them. This is not only for their health, but also to reassure us. But many people don't know how old dogs can be vaccinated? What types of vaccines are there? Today, I will tell you about dog vaccines.

How old can a dog be vaccinated?

Generally speaking, the antibodies brought by the mother from the mother gradually disappear at this time of the 45th day of birth. Therefore, vaccination is required for protection. Generally, the first vaccination starts at 45 days, and then the second injection is given every 4 to 6 weeks. This requires three consecutive injections. The vaccine is complete, and adult dogs only need to be vaccinated once a year, which can have a good preventive effect.

What types of vaccines are there? What do they do?

Dog vaccines are divided into core vaccines and non-core vaccines. Core vaccines refer to the more important vaccines that dogs must receive. Non-core vaccines refer to vaccines that can be vaccinated according to the dog's physical health and living environment.

Core vaccine

Canine distemper virus:

is a pathogenic virus. Canine distemper, also known as canine distemper, is a highly contagious disease. Dogs infected with canine distemper virus can have symptoms such as fever, diarrhea, and vomiting, and the mortality rate is high, especially in puppies.

Canine Parvovirus:

It belongs to the family Parvoviridae and is a highly contagious and highly contagious canine infectious disease. It is characterized by enteritis and myocarditis. Affected dogs may have symptoms such as high fever, severe diarrhea, and blood in the stool. It is a major killer of dogs' health.

Canine Adenovirus:

It is the most pathogenic virus of the mammalian genus Adenovirus. There are two serotypes, type I and type II. Type I can cause canine infectious hepatitis, and type II can cause canine infectious laryngotracheitis and enteritis. Clinical symptoms include repeated fever, chills, and runny nose. The acute type was seen in the early stage of the epidemic, and the dogs died suddenly without clinical symptoms.

Rabies virus:

Rabies is a zoonotic infectious disease with a very high fatality rate, ranking first among the key infectious diseases in China. Dog raising regulations stipulate that dogs must be vaccinated against rabies virus, which is also to protect the common health and interests of humans and dogs. However, it should be noted that it is best to choose a single vaccine for rabies vaccine to ensure clinical effect.

Non-core vaccine

Coronavirus:

An acute enteric infectious disease, It is characterized by vomiting, diarrhea, dehydration and easy recurrence. Dogs of different breeds, sexes and ages can be infected, but puppies are the most susceptible, with almost 100% morbidity and high mortality.

Canine parainfluenza virus:

is a major respiratory infectious disease in dogs infected with canine parainfluenza virus. Clinical manifestations include fever, cough, runny nose and other symptoms. It can also cause acute encephalomyelitis and hydrocephalus.

Canine Leptospirosis:

Canine Leptospirosis is a zoonotic disease caused by the pathogenic Leptospira. Dogs are mainly manifested as hemorrhagic jaundice, high fever, hemorrhagic diathesis, abortion, skin necrosis, edema and other symptoms. Dogs of all ages can be infected. The incidence is higher in male dogs than in female dogs.