Can a Dog Get Parvo if Vaccinated?

As a responsible dog owner, you might be wondering if your furry friend can still get parvo even after being vaccinated. This is a valid concern, as parvo is a highly contagious and potentially deadly virus that affects dogs of all ages.

Can vaccinated dogs get parvo

To answer your question, yes, a dog can still get parvo even if they have been vaccinated. However, the chances of your vaccinated dog contracting the virus are significantly lower than an unvaccinated dog.

Let’s delve into this topic further and explore the reasons why a vaccinated dog may still be at risk of getting parvo and what steps you can take to protect your furry friend.

Understanding the Parvo Vaccine

Before we dive into the topic, let’s first understand what the parvo vaccine does. The vaccine helps to build up your dog’s immune system against the virus, which significantly reduces the chances of your dog getting infected with the disease.

Typically, puppies receive a series of parvo shots starting at six weeks of age, with booster shots administered every three to four weeks until they are around 16 weeks old. Adult dogs, on the other hand, require yearly booster shots to maintain immunity against the virus.

Why a Vaccinated Dog May Still Get Parvo

Although the parvo vaccine is highly effective, it is not 100% foolproof. There are a few reasons why a vaccinated dog may still get parvo:

Timing of the Vaccine: It takes time for your dog’s immune system to build up after receiving the vaccine. During this time, your dog may still be susceptible to contracting the virus.

Exposure to the Virus: Even if your dog is vaccinated against parvo, they can still contract the virus if they come into contact with contaminated feces or vomit from an infected dog.

Immune System Health: A dog’s immune system may not respond as effectively to the vaccine if they have an underlying health condition or if they are elderly.

How to Protect Your Dog Against Parvo

To protect your dog against parvo, there are a few things you can do:

Vaccinate Your Dog: Vaccination is the most effective way to protect your dog against parvo. Speak to your veterinarian about the best vaccine options for your dog.

Practice Good Hygiene: Regularly clean up your dog’s feces and disinfect their living areas. Avoid letting your dog come into contact with feces or vomit from other dogs.

Avoid High-Risk Areas: Avoid taking your dog to high-risk areas such as dog parks, kennels, or pet stores until they are fully vaccinated.

Keep Your Dog Healthy: Ensure your dog is in good health by providing them with a balanced diet, regular exercise, and annual check-ups with their veterinarian.

FAQs: Can a vaccinated dog still get parvo?

We’ll be answering some frequently asked questions about whether a dog can get parvo if vaccinated.

What is Parvo?

Parvo, or canine parvovirus, is a highly contagious virus that affects dogs. It primarily affects puppies and can cause severe symptoms such as vomiting, diarrhea, lethargy, and dehydration. Parvo can be fatal if not treated promptly.

Can a vaccinated dog still get parvo?

While vaccinations are effective in preventing parvo, no vaccine is 100% effective. It is possible for a vaccinated dog to still get parvo, but the chances are significantly lower than an unvaccinated dog.

How does the parvo vaccine work?

The parvo vaccine works by exposing a dog’s immune system to a small, harmless dose of the virus. This exposure triggers the dog’s immune system to create antibodies that can fight off the virus in the future.

When should I vaccinate my dog against parvo?

Puppies should receive their first parvo vaccine between six to eight weeks of age and a series of additional vaccinations until they are four months old. After that, dogs should receive a booster shot every one to three years depending on their lifestyle and risk of exposure.

Can a dog get parvo even after receiving all of its vaccinations?

While it is possible for a vaccinated dog to get parvo, it is rare. If a vaccinated dog does contract parvo, their symptoms are usually less severe than an unvaccinated dog. However, it’s essential to take your dog to the vet immediately if you suspect they have parvo, regardless of their vaccination status.

What should I do if my vaccinated dog gets parvo?

If you suspect that your vaccinated dog has parvo, you should take them to the vet immediately. The vet will likely recommend hospitalization, where they will receive supportive care, such as IV fluids and medications to control vomiting and diarrhea.

Can I prevent my dog from getting parvo?

The best way to prevent your dog from getting parvo is to keep them up to date on their vaccinations, avoid areas where unvaccinated dogs may have been, and practice good hygiene, such as washing your hands and cleaning your dog’s food and water bowls regularly.

How long does it take for a parvo vaccine to work?

It takes approximately two weeks for a dog’s immune system to fully respond to a parvo vaccine. During this time, it’s important to avoid areas where unvaccinated dogs may have been to prevent exposure to the virus.

Is there a difference between a puppy and adult dog’s response to the parvo vaccine?

Puppies’ immune systems are still developing, so they require a series of vaccinations to build immunity fully. Adult dogs typically only need a booster shot every one to three years. However, if an adult dog has never been vaccinated before, they will need to receive the initial series of vaccinations to build immunity.

What are the signs that a dog may have parvo?

The signs of parvo can vary, but common symptoms include vomiting, diarrhea (often with blood), lethargy, loss of appetite, and fever. If you notice any of these symptoms in your dog, you should take them to the vet immediately.

Can humans contract parvo from dogs?

No, parvo is a virus that only affects dogs and other canines, such as wolves and coyotes. Humans cannot contract parvo from dogs.

Can a dog get parvo twice?

While it is possible for a dog to get parvo more than once, it’s rare. Once a dog has had parvo, their immune system typically develops immunity to the virus. However, it’s still essential to keep your dog up to date on their vaccinations to ensure they are protected from other strains of the virus.

How can I clean my home and yard if my dog has had parvo?

Parvo can survive in the environment for months, so it’s crucial to thoroughly clean and disinfect your home and yard if your dog has had parvo. Use a bleach solution to clean any areas where your dog may have had accidents or spent time. It’s also important to dispose of any bedding or toys that your dog may have come into contact with during their illness.

What are the risks of not vaccinating my dog against parvo?

Not vaccinating your dog against parvo can put them at risk of contracting the virus, which can lead to severe illness, hospitalization, and even death. Puppies and unvaccinated dogs are especially vulnerable to parvo, so it’s essential to keep them up to date on their vaccinations.

Is there anything I can do to boost my dog’s immunity to parvo?

While there is no way to boost a dog’s immunity to parvo beyond vaccination, you can support their immune system by providing a healthy diet, regular exercise, and a stress-free environment. A healthy immune system can better fight off infections and diseases, including parvo.

Can dogs transmit parvo to other animals besides dogs?

Parvo is primarily a canine virus, but it can also infect other members of the canine family, such as wolves and coyotes. It’s not contagious to other animals or humans.

Are there any side effects of the parvo vaccine?

Like any vaccine, the parvo vaccine can cause side effects, although they are typically mild and short-lived. Some dogs may experience mild swelling or soreness at the injection site, lethargy, or a low-grade fever. These side effects usually resolve on their own within a day or two.

Can a dog still get parvo if they receive the vaccine too late?

If a dog is exposed to parvo before they receive their vaccine or during the two-week period after their vaccination, they may still develop the virus. However, if they receive the vaccine before being exposed, they will have a better chance of fighting off the virus.


Hannah Elizabeth is an English animal behavior author, having written for several online publications. With a degree in Animal Behaviour and over a decade of practical animal husbandry experience, Hannah's articles cover everything from pet care to wildlife conservation. When she isn't creating content for blog posts, Hannah enjoys long walks with her Rottweiler cross Senna, reading fantasy novels and breeding aquarium shrimp.

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