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Cat Vaccines

Non-adjuvanted vaccines do not contain any adjuvant chemicals that have the potential to trigger allergic or site reactions.

Core Vaccines

Recommended for all kittens and cats.

Feline Panleukopenia (feline distemper)

  • A virus found virtually everywhere
  • Shed from all bodily secretions
  • Suppresses immune system
  • Causes ulceration and diarrhea
  • Can be life threatening

Feline Calicivirus and Rhinotracheitis (herpes virus)

  • Highly contagious and responsible for most feline respiratory diseases
  • Secreted in bodily secretions such as saliva, nasal discharge, urine and feces
  • Clinical signs include fever, upper respiratory congestion, sneezing, swollen watery eyes and mouth lesions
  • Both chronic and intermittent infection possible
  • Vaccination can reduce clinical signs and spreading to other cats

These vaccines are given at approximately 8 weeks of age followed by 2 boosters 3-4 weeks apart and then every 3 years.


  • Transmitted through saliva of infected animals via a bite wound from wildlife such as raccoons, skunks, foxes and bats
  • The virus attacks nervous tissue
  • Death occurs within 10 days once symptoms present
  • Can be transmitted to humans
  • Ontario requires vaccination of all cats (including strictly indoor cats)

The first vaccine is given at 12-16 weeks of age, then annually thereafter.

Optional/Non Core Vaccines

Feline Leukemia (FeLV)

  • 3 methods of transmission: saliva, blood transfusion, in utero
  • Suppresses immune system, increasing the risk of infections
  • Can cause cancer
  • Usually results in death
  • Recommended for outdoor cats

Two initial doses are recommended at 12 weeks and 16 weeks of age and then every three years.

Cat Vaccines: I can take it!