Feline leukemia is a form of retrovirus that affects cats and nearly 3% of all cats within the United States are infected with this virus. Your cat may be more at risk if he is very young or old, or if he is exposed to other felines carrying the virus, as it is contagious. The feline leukemia virus, best known as FLV, is transmitted through bodily secretions of the infected cat. It is secreted in mucus from the nose, saliva, urine and feces as well as milk. While a mother cat may pass the virus on to her kittens through her milk or even during pregnancy, the most common method of transfer is t... [continue reading]