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Feline immunodeficiency virus (FIV) is a Lentivirus that affects cats worldwide, with 2.5% to 4.4% [1] [2] of felines being infected.. FIV was first isolated in 1986, by Niels C Pedersen and Janet K. Yamamoto at the UC Davis School of Veterinary Medicine in a colony of cats that had a high prevalence of opportunistic infections and degenerative conditions and was originally called Feline T ...
Felines infected with Feline foamy virus are often infected with FIV as well. FIV, also a retrovirus, will have more noticeable symptoms such as swollen joints, enlarged lymph nodes, and difficulty walking. Feline leukemia virus (FeLV) is another retrovirus that causes a common infectious disease in felines by suppressing the immune system.
Lymphoma is the most common malignancy diagnosed in cats. [22] Lymphoma in young cats occurs most frequently following infection with feline leukemia virus (FeLV) or to a lesser degree feline immunodeficiency virus (FIV). These cats tend to have involvement of lymph nodes, spine, or mediastinum.
Lentigo in cats is a common dermatological condition characterized by the presence of small, flat, brownish spots on the skin — particularly around the lips, nose, and eyelid margins. Unlike in ...
Mammary gland tumors are the third common type of cancer in older female cats, with the most common symptom manifesting as a lump in the breast tissue. [3] Domestic short-haired cats and Siamese appear to have a higher incident rates. [10] The tumor is typically firm and nodular, and adheres to the overlying skin. [11]
Feline disease refers to infections or illnesses that affect cats. They may cause symptoms, sickness or the death of the animal. Some diseases are symptomatic in one cat but asymptomatic in others. Feline diseases are often opportunistic and tend to be more serious in cats that already have concurrent sicknesses.
An important infectious skin disease of cats is ringworm, or dermatophytosis.Other cat skin infections include parasitic diseases like mange and lice infestations.. Other ectoparasites, including fleas and ticks, are not considered directly contagious but are acquired from an environment where other infested hosts have established the parasite's life cycle.
Cats may be poisoned by many chemicals usually considered safe by their human guardians, [citation needed] because their livers are less effective at some forms of detoxification. [31] [32] Some of the most common causes of poisoning in cats are antifreeze and rodent baits. [33] Cats may be particularly sensitive to environmental pollutants. [34]