Which of these pets needs routine vaccines?

The ferret. Guinea pigs and rats have none.

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  1. Guinea pig
  2. Ferret ✔
  3. Rat

Why: Ferrets need yearly rabies and canine distemper shots. Guinea pigs do not need vaccinations, and there are no vaccines for rats or other small rodents. All of them still need a yearly checkup with a vet who knows the species.

Huh, didn't know that: Merck recommends a yearly checkup for guinea pigs with a vet experienced with them.

The dad joke
What is a ferret's favorite appointment? A well-weasel visit.
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References

Answer: Ferret. Ferrets need yearly rabies and canine distemper shots. Guinea pigs do not need vaccinations, and there are no vaccines for rats or other small rodents. All of them still need a yearly checkup with a vet who knows the species.

  1. Routine Care of Guinea Pigs, Merck Veterinary Manual www.merckvetmanual.com/all-other-pets/guinea-pigs/routine-care-of-guinea-pigs
    Guinea pigs don't need vaccinations.
    Checked 2026-10-11.
  2. Routine Health Care of Rats, Merck Veterinary Manual www.merckvetmanual.com/all-other-pets/rats/routine-health-care-of-rats
    There are currently no vaccines for rats or other small rodents.
    Checked 2026-10-11.
  3. Routine Health Care for Ferrets, Merck Veterinary Manual www.merckvetmanual.com/all-other-pets/ferrets/routine-health-care-for-ferrets
    Ferrets should be vaccinated annually against rabies and canine distemper.
    Checked 2026-10-11.

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