Patent 7582302 was granted and assigned to Merial on September, 2009 by the United States Patent and Trademark Office.
The invention provides a novel method of vaccination of an animal of the felidae family against feline leukemia. The FeLV recombinant vaccine based on viral vector with the aid of a liquid jet needle-free injector can result in distribution of the vaccine essentially in the dermis and the hypodermis of the animal.