PureVax Recombinant FeLV is a subcutaneous cat vaccine indicated for the vaccination of healthy cats 8 weeks of age or older against feline leukemia virus (FeLV). The lyophilized dose is reconstituted with the provided 0.5 mL sterile water diluent and administered as a single 0.5 mL dose. For primary vaccination, give two doses three weeks apart. Supplied as a tray of 25 single-dose vials to support efficient clinic workflows. Duration of immunity has not been determined.