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Dog Vaccination Schedule

Updated: Sep 20, 2023

Your dog's vaccine schedule may vary depending on the type of vaccine given [attenuated-live (weakened, but live germ), inactivated (killed germ), and recombinant], and the injection route (SC, intra-nasal, intra-oral). Each dog must be evaluated and a plan formulated on an individual basis to provide the best protection for your pet. While vaccination generally provides good protection, it does not guarantee complete immunity due to several factors that can affect efficacy. No vaccine achieves 100% protection.


Need help to decide which vaccines your dog needs? Use the Lifestyle-based Vaccine Calculator tool by AAHA for suggestions.

Vaccine

≤16 weeks

​>16 weeks

​Boosters

Rabies (core)

​*Not indicated

*1 dose, 3-4months of age (12-16 months, depending on state laws and regulations)

*1 year booster after initial vaccination *Then booster every 3 years

DA2PPv (core)

*6-8 weeks of age *Then every 2-4 weeks until 16 weeks of age (at least 3 vaccinations)

*2 doses, 2-4 weeks apart

​*1 year booster *Then every 3 years

Bordetella (non-core)

Injectable: *8 weeks of age *2 doses, 2-4 weeks apart Intranasal: *Early as 3-4 weeks *1 dose Oral: *Single dose

Injectable: *2 doses, 2-4 weeks apart regardless of age Intranasal: *Single dose Oral: *Single dose

*Booster annually

Leptospirosis (non-core)

*12 weeks of age *2 initial doses, 2-4 weeks apart

*2 initial doses, 2-4 weeks apart

*1 dose within 1 year following last vaccination in initial series *Booster annually

Lyme (non-core)

​*8-9 weeks of age *2 initial doses, 2-4 weeks apart

*2 initial doses, 2-4 weeks apart

*1 dose within 1 year following last vaccination in initial series *Annual booster if risk of exposure

K9 Influenza (flu; non-core)

​*6-8 weeks of age *2 initial doses, 2-4 weeks apart

*2 initial doses, 2-4 weeks apart

*1 dose within 1 year following last vaccination in initial series *Annual booster for dogs at risk

Rattlesnake (non-core)

*Not indicated

*16 weeks of age *Initial series based on weight (2-3 injections)

​*Boosters based on exposure risk

Core Vaccines: Recommended for all pet dogs as diseases can cause significant infection and/or death unless there is a specific medical reason not to vaccinate. These diseases are widely distributed.


Rabies

  • Rabies virus is transmissible to humans and other mammals (zoonotic)

  • Vaccination required by AZ law starting at 3 months of age

DA2PPv—combination vaccine includes

  • Distemper virus

  • Adenovirus type 2

    • Cross-protects against Adenovirus type 1 which causes infectious canine hepatitis

    • Type 2 causes tracheobronchitis

  • Parainfluenza (tracheobronchitis)

  • Parvovirus

Non-core Vaccines (optional): Recommended based on your dog's disease risks (environment, lifestyle, and life stage)


Bordetella

  • Caused by the bacterium Bordetella bronchiseptica

  • Also known as kennel cough or infectious tracheobronchitis

  • Common in dogs exposed to kennel or boarding situations

Leptospirosis

  • This should be considered for all dogs since cases are increasing

  • Contagious to people (zoonotic)

Lyme disease

  • Transmitted most commonly by the Ixodes tick, including the black-legged tick

  • Western black-legged tick (Ixodes pacificus) is found in the higher elevations of the Hualapai mountains (Mohave County) Arizona

Canine influenza—vaccine covers

  • H3N2

  • H3N8

Rattlesnake toxoid

  • Vaccine developed from western diamondback rattlesnake (Crotalus atrox) venom

  • Lack of peer-reviewed published data demonstrating that it cross-protects against other pit viper envenomations



Sources



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