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Modified Live Virus (MLV) Vaccines for Dogs

Dogs > Vaccines > Modified Live Virus (MLV) Vaccines for Dogs

also see Bordetella Vaccine

also see Dog Shots

There are two different types of vaccines for dogs: inactivated vaccines, also known as killed vaccines, and modified live virus, or MLV, vaccines. In an MLV vaccine a weakened strain of the agent that causes a disease is injected into the puppy's immune system to stimulate an immune response.

Advantages of MLV Vaccines for Puppies

Creates a faster immune response
Stronger and more lasting protection
Cost less than killed vaccines
Usually only requires a single dose
Can be administered through the nose

Disadvantages of MLV Vaccines

May activate the disease it is supposed to vaccinate against in dogs with poor immune systems
May cause abortions in pregnant animals
Not suitable for dogs with compromised immune systems due to disease or medical treatment
Most veterinarians recommend a combination of vaccines for puppy vaccinations, with both inactivated and modified live vaccines. Vaccination schedules differ among vets, so be sure to check with your chosen vet about when to vaccinate your puppy.

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also see An Introduction to Dog Vaccines

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also see Killed and MLV Canine Vaccines Compared

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also see Parainfluenza Vaccination