Feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) are typical retroviruses that are transmitted horizontally among felines. FIV results in symptoms of immunodeficiency such as weight loss, chronic lesions, opportunistic infections, and neurological abnormalities, while FeLV is known to cause a variety of neoplastic and nonneoplastic diseases in cats, such as thymic lymphoma, multicentric lymphoma myelodysplastic syndromes, acute myeloid leukemia, aplastic anemia, and immunodeficiency. The prevalence and genetic diversity of FIV and FeLV in stray cats have not been investigated. |