Cats seem to have a lot of issues caused by their own immune system, other one that comes to my mind is https://en.wikipedia.org/wiki/Vaccine-associated_sarcoma

Cats seem to have a lot of issues caused by their own immune system, other one that comes to my mind is https://en.wikipedia.org/wiki/Vaccine-associated_sarcoma https://en.wikipedia.org/wiki/Vaccine-associated_sarcoma