The Tails of Truth Podcast:

The Hidden Risk in Your Cat's Vaccine

In this essential episode of Tails of Truth, Dr. Angie and JoJo Smith dive deep into a rarely discussed but critical topic: vaccine-associated sarcomas in cats. With raw personal stories and professional insight, they explore how certain feline vaccines—particularly rabies and leukemia—can, in rare cases, lead to aggressive cancer. They share why vaccine site matters, which types of vaccines pose higher risk, and how cat guardians can make informed, low-risk decisions. The episode also tackles clinic policy challenges, the role of adjuvants, and how to advocate for your cat’s health in a system that often skips the full conversation. If you vaccinate your cat—or ever will—this episode is a must-listen.

Key Takeaways

  • Feline vaccine-related sarcomas are rare but serious.
  • Non-adjuvanted vaccines (like PureVax) reduce cancer risk.
  • Vaccine site matters—low on the leg or tail is preferred.
  • Not all cats need every vaccine—risk varies by lifestyle.
  • Rabies is crucial for outdoor cats but optional for some indoor cats.
  • Giving multiple vaccines at once can increase reaction risk.
  • Some clinics mandate rabies vaccines for legal protection, not health.
  • Most pet guardians aren’t informed of these risks.
  • Short appointments make informed consent difficult.
  • Asking the right questions can protect your cat’s long-term health
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