I DEFINITELY think that what this says is that FeLV is a biologic carcinogen responsible for the development of feline lymphoma and that the shifts have come from vaccines cutting down on the incidence of FeLV. Michelle In a message dated 12/6/2006 10:27:24 A.M. Eastern Standard Time, [EMAIL PROTECTED] writes:
These shifts in the incidence and locations of feline lymphoma may be due, in part, to the use of commercial vaccines to prevent infection with feline leukemia virus, a biologic carcinogen responsible for the development of feline lymphoma. "