>>Distal limb injection is recommended to facilitate amputation with 5 cm margins in two fascial planes in the case of injection-site sarcoma.
>>Tail vaccination has also been reported as well tolerated and elicited acceptable serological responses to vaccination in the distal limbs.
>>The 2013 AAFP Feline Vaccination Advisory Panel Report included recommendations for specific vaccine antigens to be administered at specific anatomical locations in the distal limbs. This technique has helped facilitate the identification of the vaccine antigen used if a sarcoma developed subsequently at the injection site. Since this technique has been widely adopted, these injection-site recommendations have also led to a shift in the site of tumor formation to the distal limbs, thus facilitating potentially life-saving surgery for patients suffering from these invasive tumors.
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If you have better information, please provide it. This has nothing to do with the concept that vaccines are bad, and everything to do with the concept that evidence-based (vet) medicine saves (animal) lives.
Also note that this isn't about vaccines, specifically. The term used now is "injection site-associated sarcoma", as any kind of injection (antibiotics, sedatives, fluids, etc.) can potentially cause this. It's not about the vaccine and has nothing to do with anti-vaxxers; the mechanism is still poorly understood, and the simple act of injecting anything may trigger it.
Edit: based on your other responses you sound like you're just trolling. Downvoted and flagged; moving on with my life.