The APVMA's past failure to ensure that vaccine manufacturers» revaccination recommendations are evidence based is at the heart of the continuing problem of over-vaccination of pets, coupled with the reluctance of many members of the veterinary profession to keep abreast of and acknowledge the latest science
on duration of immunity and vaccination «best practice».
So at present, I think that the best approach is to use a reasonable time interval between vaccinations based on available information
on duration of immunity.
The norm has been for my patients to come to me already vaccinated, so the easy answer, based
on duration of immunity, was no, the immunity should persist for «years if not the life of the animal.»
Klingborg says the vaccination debate could be settled by more information
on the duration of immunity most vaccines impart.
Not exact matches
Almost all rabies vaccinations
on the market for dogs today have been shown to last at least three years via
duration of immunity studies.
With new medical insights available about the
duration of immunity provided by vaccines, most veterinarians have updated their recommendation from the traditional once - a-year schedule to once every three years, or even less frequently depending
on the individual animal.
According to the AVMA policy statement approved in 2001, the annual revaccination recommendation found
on many vaccine labels is based
on historical precedent and US Department
of Agriculture regulation, not
on scientific data, and in cases where data has been provided, there are still questions about the
duration of immunity provided by the injection.
Below is the result
of duration of immunity testing
on over 1,000 dogs.
Animal vaccines are licensed by the United States Department
of Agriculture for certain
durations of immunity, which will be stated
on the label.
This is a complex answer that depends
on many things including the disease for which we are hoping to vaccinate against, how it is made, available research demostrating the
duration of immunity and local / state legislation.
This table is from Dr Schultz's research
on over 1,000 dogs and shows the
duration of immunity of the core vaccines from both challenge (exposure to the real virus) and serology (antibody titer results):
Most
of the vaccines above need to be boosted again at the 1 - year mark, after which the frequency
of re-vaccination may change, based
on the vaccine itself (its reported «
duration of immunity») and all
of the cat - specific factors outlined above.
You'll need to discuss the revaccination schedule with your veterinarian, as it will depend
on local or state laws and the
duration of the vaccine's
immunity.
My own view is that we should take
on board Dr Schultz's statements made as a result
of his
duration of immunity studies, namely that, «Once an animal is immune to viral disease, he is immune for years or life».
[3] «Position Statement are chosen when the AVA membership has conflicting views
on the topic which is particularly the case with
duration of immunity and there was lack
of agreeance with the document produced.»
PARSIPPANY, N.J. — Aug. 10, 2017 — Zoetis today announced that the United States Department
of Agriculture (USDA) has granted approval for a 15 - month
duration of immunity (DOI) claim for Vanguard ® crLyme — the longest DOI claim
of any canine Lyme disease vaccine
on the market.
But your partner doesn't know which HPV strain he is infected with, and even if he did, HPV researchers probably don't currently have information
on that strain's transmission efficiency and the
duration of natural
immunity to reinfection.