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Can an unvaccinated dog survive Parvo? What are the chances?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | 4 months and 2 days old | 5 lbs

Can a dog survive from Parvo virus even if they are unvaccinated?

3 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 20th, 2019

It can survive, but parvo is a very deadly disease so there is a good chance the dog can die. To have the best chance of survival, your dog does need to be hospitalized. Parvovirus treatment consists of aggressive supportive care to control the symptoms and boost your dog’s immune system to help him win the battle against this dangerous disease. Dogs infected with parvovirus need intensive treatment in a veterinary hospital, where they receive antibiotics, drugs to control the vomiting, intravenous fluids and other supportive therapies. Best of luck.

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4Pet Parents found this answer helpful

Related Answers from Veterinarians

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    Answered By Megan, DVM, CVA

    Veterinarian

    Published on September 16th, 2019

    I am so sorry that Claud has parvo. Parvo is a very serious illness that usually requires very aggressive therapy in order for them to survive. It can survive in the environment for up to a year without a host. If Claud has already passed, I would strongly recommend to have him cremated just to prevent the virus from being in your ground. If not, I would strongly recommend to get him to a vet as soon as possible for treatment. Treatment can be expensive so if that isn't an option, I would at least talk to your vet about cheaper routes that could still benefit him. I also do not recommend bringing in another unvaccinated puppy into the environment for a year. If you want to get another dog, I would consider an young adult that has already be fully vaccinated. I would also be sure to bleach all of Claud's bedding and everything that he has been around to help kill the virus. Please know you are in our thoughts. Parvo virus is a terrible illness and difficult to treat.

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    Answered By Maria DVM

    Veterinarian

    Published on December 11th, 2017

    Since Benny was not fully vaccinated there is a chance of him contracting Parvo. The best chance of survival is hospitalization with supportive care if he comes up positive for it and/or showing symptoms. It is difficult to say if he can pull through this or not because his body has to fight the virus off. We can just provide supportive care which includes IV fluids and medications to help with the vomiting/diarrhea and antibiotics for secondary bacterial infection . I hope Benny does well and thank you for using Petco Pet Education Center, formerly Petcoach.

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