For subcutaneous vaccination of healthy cats 8 to 10 weeks of age or older, as an aid in the prevention of disease caused by feline leukemia, rhinotracheitis, calici and panleukopenia viruses. Dose: Inject one 0.5 mL dose subcutaneously using aseptic technique. Repeat in 3 to 4 weeks. Annual revaccination with a single dose of vaccine is recommended. Preservatives: Thimerosal, neomycin, polymyxin B and amphotericin B.