There have also been reported increased incidence of soft tissue sarcomas occurring at vaccination sites and the Vaccine - Associated Feline Sarcoma Task Force (VAFSTF) was formed in November 1996 in the USA in response to that. (petsmagazine.com.sg)
The most common tumor type was salivary gland tumor (22 %), followed by other soft tissue sarcomas (20 %), infantile fibrosarcoma (13 %), thyroid tumors (9 %), and other malignancies occurring in 4 or fewer patients. (cancernetwork.com)
Research on mouse tumors resembling rhabdomyosarcoma, the most common soft tissue sarcoma in children, revealed that the immune system's T cells may be just as critical to fighting tumor cells as the viral therapy injections themselves. (sciencedaily.com)