For more information see multiple articles in Vaccines, Vaccinations, and the Immune System . Recommendations for Feline Leukemia Virus Testing. The Compendium on Continuing Education for the Practicing Veterinarian. Vaccine-associated feline sarcoma symposium. Inc. July 25, 1998.
Researchers suspect genetic cause for vaccine site sarcomas.
Cole, R. Rethinking canine vaccinations. Immunoprophylaxis and immunotherapy. Jarrett, O. Development of vaccines against feline leukemia virus. Pfizer Animal Health. Duration of immunity in companion animals after natural infection and vaccination.