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  • Home
  • About Us
  • Pricing
  • House Call FAQ
  • Wellness
  • Sick Kitties/Emergencies
  • Cat Lover's Resources
  • ZenCat Videos
  • Dr. Phoenix's Blog
  • Vaccinations
  • Surgery & Dentistry
  • Managing Chronic Diseases
  • Behavior Counseling
  • Nutrition Counseling
  • Quality of Life & Hospice
  • Euthanasia & AfterCare
  • ZenCat Forms
  • Referring Veterinarians
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Vaccinations

FVRCP

Vaccination against feline viral rhinotracheitis (also known as feline herpes virus), calici virus, and panleukopenia protects your cat from the top two upper respiratory viruses, and a virus that can destroy a cat’s immune system as well as cause permanent damage to the cerebellum in a kitten. FVRCP is considered a core vaccine, and ideally should be administered to kittens at six to eight weeks of age, then repeated every four weeks up to sixteen weeks of age, then boostered at 16 months, and given every  year after that (there are 3-year injectable vaccines, but we don't recommend them.) The controversy over vaccine-associated sarcomas (VAS) in cats has been linked to adjuvanted vaccines, so I resource only non-adjuvanted intranasal vaccines for my patients. 


It has recently come to my attention that there were several studies done in the early 2000's demonstrating a possible link between Injectable (also know as parenteral) FVRCP vaccination and Chronic Kidney Disease. The reason is that feline kidney cells are used to grow the material that FVRCP vaccine is made of, and those kidney cells cannot be completely filtered out of the vaccine. So when a cat gets vaccinated, they will not only produce antibodies to the three target viruses, they will also produce antibodies to their own kidney cells. A second study showed that actual kidney damage could be induced, even in very young cats, with the administration of repeated vaccinations. Now if you are reading this and are feeling a swell of anger growing deep within you, multiply that times a million and you'll understand how I felt as I read through each study publication (links below.)


The bright spot in all this is that these studies also showed that administration of intranasal vaccine did not cause the cats to produce the anti-kidney antibodies. I had stopped using injectable FVRCP before learning this information, because it seemed dumb to risk a vaccine-associated sarcoma when intranasal vaccine would avoid it. So imagine my glee to learn that choice was also protecting my patients from vaccine-associated kidney disease!


Now why in hell are vets still giving cats injectable FVRCP vaccine? The reason is "evidence based medicine!" The studies that have shown this possible link between vaccines and Chronic Kidney Disease were too small, didn't test enough cats, and weren't long enough ( cats were only followed for about a year.) And follow-up studies to firm up these suspicions are lacking (why aren't the Feline Practitioners and the endowed research funding groups clamoring for more information on this?) But as a cat owner, and veterinarian committed to not harming my patients, it's enough "proof" for me to decide I will never again administer an injectable FVRCP vaccine - not to my patients, not to my own cats... NEVER! 


If you want to read more on this, here are some useful links:

  • The 2005 Study by Dr. Michael Lappin showing that parenteral vaccination for FVRCP caused development of anti-kidney antibodies 
  • The 2006 Study by Dr. Michael Lappin showing that repeated FVRCP vaccinations caused lymphocytic-plasmacytic interstitial nephritis (damaging inflammation in the kidneys)
  • Dr. Lisa Pierson's excellent website that brought this information to light  after one of my clients I sent to the page actually read through it all (Dr. Pierson is very verbose) and then told me about it

Rabies

Rabies is 100% fatal. There is no treatment and no cure. Even an indoor-only cat has the potential for exposure if a sick bat manages to slip into your house (which actually happens in Southern California.) That being said, I was also lukewarm about vaccinating my cats against rabies until I learned the other benefit of keeping my kitties vaccinated, and that has to do with having a cat that bites someone. Even the sweetest, most even-tempered cat has his or her limits, and the bite of an unvaccinated or under-vaccinated cat leaves the guardian open to anything from a mandatory 10-day hold for observation in a veterinary hospital, to forcing the guardian to euthanize the cat so its head can be sent in for rabies testing – a thought so gruesome that I sometimes even vaccinate my indoor-only cats. Rabies is considered a core vaccine for this reason. I recommend giving it at 20 weeks of age, boostering at 17 months, and then every year after that (there is a 3-year rabies vaccine, but it is not available in a low volume format, so we don't recommend it.) The controversy over vaccine-associated sarcomas (VAS) in cats has been linked to adjuvanted vaccines, so I resource only non-adjuvanted, low volume rabies vaccine for my patients.  

FeLV

Vaccination against feline leukemia virus (FeLV) is now considered a core vaccine for kittens under one year old, and a non-core, lifestyle option in adult cats. It’s effectiveness has been in question since it first came to market, but the reduction in the incidence of feline leukemia is undeniable. FeLV vaccination is recommended for cats that are indoor-outdoor or outdoor-only, and cats that live in large groups, such as a cattery, rescue, or shelter. Cats that are actively being shown at cat shows should also be vaccinated. For kittens, I recommend vaccinating at 24 and 28 weeks, and then boostering annually thereafter if your cat's lifestyle warrants it. Show kittens should ideally receive their second vaccination two weeks prior to attending their first cat show. The controversy over vaccine-associated sarcomas (VAS) in cats has been linked to adjuvanted vaccines, so I resource only non-adjuvanted, low volume vaccines for my patients.  

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