Can a Dog Get Rabies If Vaccinated?
- Zoorithm Vet Team
- Sep 28
- 4 min read
Rabies is one of the most feared diseases in both humans and animals. It’s fatal once symptoms appear, which is why prevention is so important. If you’re a dog owner, you’ve probably already vaccinated your pet against rabies, but you may still wonder—can a dog get rabies if vaccinated?
The short answer is that rabies vaccination is highly effective and makes it extremely unlikely for a vaccinated dog to get rabies. However, no vaccine is 100% perfect, and there are rare circumstances where protection might fail.
Let’s take a closer look at how the rabies vaccine works, why it’s important, and what risks remain.

What Is Rabies and Why Is It So Dangerous?
Rabies is a viral disease that attacks the nervous system of mammals, including dogs and humans. It is spread mostly through the bite of an infected animal, since the virus lives in saliva.
Key points about rabies:
It causes neurological symptoms such as aggression, paralysis, seizures, and fear of water.
Once symptoms begin, rabies is almost always fatal.
Dogs are the main source of human rabies deaths worldwide.
Vaccination is the most effective way to prevent the disease.
Because of how dangerous rabies is, many countries have strict vaccination laws for pets.
How the Rabies Vaccine Works in Dogs
The rabies vaccine trains a dog’s immune system to recognize and fight off the rabies virus.
It uses an inactivated (killed) virus or a modified live virus that cannot cause rabies but stimulates immunity.
After vaccination, the dog develops antibodies that stay in the body, ready to attack the real virus if exposed.
Immunity builds up within 2–4 weeks after the shot.
This immunity is very strong, but it doesn’t last forever—booster shots are necessary.
Can a Vaccinated Dog Still Get Rabies?
The risk is extremely low, but it’s not zero. A vaccinated dog could, in very rare situations, get rabies if:
The vaccine was not administered properly. Improper storage, expired vaccines, or incorrect dosing may reduce effectiveness.
The dog did not complete the full series. Puppies need their first rabies shot at around 12–16 weeks and regular boosters afterward.
Immunity has weakened. If too much time passes without a booster, the dog may no longer be fully protected.
Underlying health conditions. A weak immune system might prevent full protection.
Vaccine failure (extremely rare). No vaccine is 100% guaranteed, though rabies shots are among the most reliable.
Even with these risks, the chance of a vaccinated dog contracting rabies is so small that it is considered almost impossible in healthy, properly vaccinated pets.
What to Do If a Vaccinated Dog Is Bitten by a Rabid Animal
If your vaccinated dog is bitten by a wild animal or exposed to rabies, you should still act immediately.
See your vet right away. They will clean the wound and may give a rabies booster.
Report the incident. Local animal control may need to be informed, depending on rabies laws in your area.
Observe your dog. Vaccinated dogs are usually just quarantined for a short period for monitoring.
Unvaccinated dogs face much harsher measures, including long quarantines or even euthanasia in high-risk situations. This shows how important vaccines are.
Why Rabies Vaccination Is So Important
Vaccination is not just about protecting your dog—it also protects your family and community.
Protects your dog: Rabies is always fatal once symptoms appear, but vaccines prevent it.
Protects people: Rabies is a zoonotic disease, meaning it can spread to humans. Vaccinated pets break the chain of transmission.
Legal requirement: In many places, rabies shots are mandatory by law, and proof is needed for licensing or travel.
Cheaper than treatment: Treating an unvaccinated dog after exposure is expensive and stressful.
Simply put, the rabies vaccine is one of the most important shots your dog will ever receive.
How Long Does Rabies Vaccine Protection Last?
The length of protection depends on the vaccine used and your local regulations.
1-year vaccines: Protection lasts for 12 months.
3-year vaccines: In many regions, these are available and effective for up to 36 months.
Boosters: Dogs need booster shots at regular intervals to stay protected.
Even if your dog got a 3-year shot, some states or countries may still require annual boosters for legal reasons.
Signs of Rabies in Dogs (Even if Vaccinated)
While it’s extremely unlikely for a vaccinated dog to get rabies, knowing the symptoms can help in rare cases.
Sudden behavior changes (unusual aggression or fear)
Excessive drooling or foaming at the mouth
Difficulty swallowing
Staggering or paralysis
Seizures
Sensitivity to light or sound
If you ever suspect rabies, seek veterinary help immediately and avoid handling your dog directly.
Conclusion
So, can a dog get rabies if vaccinated? In theory, yes, but in practice, it is extremely rare. Rabies vaccines are highly effective, and when given on schedule with proper boosters, they protect your dog almost completely. The only real risks come from missed doses, improper administration, or weakened immunity.
By keeping your dog up to date on vaccines, you not only protect their life but also safeguard yourself, your family, and your community from one of the deadliest diseases known to animals and humans.
FAQs
Can my dog still get rabies after being vaccinated?
It’s possible but extremely rare. Rabies vaccines are very effective, but no vaccine is 100%. As long as your dog is healthy and up to date with shots, the chances are almost zero.
What happens if a vaccinated dog is bitten by a wild animal?
Take your dog to the vet immediately. They may receive a rabies booster and be monitored for a short quarantine period. Vaccinated dogs are much safer than unvaccinated ones, which may face long quarantines or euthanasia.
How often should my dog get a rabies shot?
Most places require rabies vaccines every 1 to 3 years, depending on the vaccine type and local laws. Puppies usually get their first shot at 12–16 weeks old, with boosters afterward.
Can vaccinated dogs transmit rabies?
A vaccinated dog is highly unlikely to contract or transmit rabies. If properly immunized, they are considered protected and safe. Transmission risk comes mainly from unvaccinated or stray animals.
Is rabies vaccination legally required?
Yes, in many regions rabies vaccination is mandatory. Proof may be needed for licensing, boarding, grooming, or travel. Skipping vaccination can result in fines and serious legal consequences if your dog bites someone.