Feline immunodeficiency virus: Difference between revisions

Revision as of 04:31, 29 December 2024

Feline immunodeficiency virus (FIV) is a lentivirus that affects cats worldwide. It is in the same family as the human immunodeficiency virus (HIV) and causes a disease in cats similar to AIDS in humans. FIV compromises the immune system, making the infected cat more susceptible to various infections and diseases.

Transmission

FIV is primarily transmitted through bite wounds, as the virus is present in the saliva of infected cats. It can also be transmitted from an infected mother to her kittens during birth or through breastfeeding. However, casual contact such as grooming or sharing food bowls is unlikely to spread the virus.

Symptoms

The symptoms of FIV can vary widely and may not appear until years after the initial infection. Common symptoms include:

Diagnosis

FIV is diagnosed through blood tests that detect the presence of antibodies to the virus. The most common tests are the ELISA and Western blot tests. It is important to confirm a positive result with a second test, as false positives can occur.

Treatment

There is no cure for FIV, but infected cats can live long, healthy lives with proper care. Treatment focuses on managing symptoms and preventing secondary infections. This may include:

Prevention

Preventing FIV involves minimizing exposure to infected cats. Keeping cats indoors and away from potential fights with other cats can reduce the risk of transmission. There is a vaccine available, but its efficacy is debated, and it may interfere with future FIV testing.

References

External links

@@ Line 1: / Line 1: @@
-[[File:FIV genome 2013.jpg|thumb]] [[File:Phylogenetic-tree-of-72-nonidentical-FIV-from-7-carnivore-species-based-on-a-region-of.png|thumb]] {{Short description|A virus that affects cats, similar to HIV in humans}}
 {{Infobox virus
-| name = Feline immunodeficiency virus
+| name = Feline Immunodeficiency Virus
-| virus_group = VI
+| image = <!-- Image removed -->
-| familia = [[Retroviridae]]
+| image_caption = <!-- Image removed -->
+| virus_group = [[Group VI (ssRNA-RT)]], [[Retroviridae]]
 | genus = [[Lentivirus]]
-| species = Feline immunodeficiency virus
+| species = '''Feline immunodeficiency virus'''
 }}
-'''Feline immunodeficiency virus''' ('''FIV''') is a [[lentivirus]] that affects cats worldwide. It is in the same family as the [[human immunodeficiency virus]] (HIV) and causes a disease in cats that is similar to [[acquired immunodeficiency syndrome]] (AIDS) in humans. FIV compromises the immune system of infected cats, making them more susceptible to various infections and diseases.
+'''Feline immunodeficiency virus''' ('''FIV''') is a [[lentivirus]] that affects [[cats]] worldwide. It is in the same family as the [[human immunodeficiency virus]] (HIV) and causes a disease in cats similar to [[AIDS]] in humans. FIV compromises the [[immune system]], making the infected cat more susceptible to various [[infections]] and [[diseases]].
-== Virology ==
-FIV is a member of the [[Retroviridae]] family and the [[Lentivirus]] genus. Like other lentiviruses, FIV is an [[RNA virus]] that uses the enzyme [[reverse transcriptase]] to convert its RNA into DNA within the host cell. This DNA is then integrated into the host's genome, where it can remain latent for extended periods.
-The virus primarily targets [[CD4+ T cells]], which are crucial for the immune response. Over time, the depletion of these cells leads to immunodeficiency, making the cat vulnerable to opportunistic infections.
 == Transmission ==
-FIV is primarily transmitted through bite wounds, as the virus is present in the saliva of infected cats. It is most commonly spread during aggressive encounters, which is why intact male cats, who are more likely to fight, are at higher risk. Unlike HIV, FIV is not typically spread through sexual contact or casual contact such as grooming.
+FIV is primarily transmitted through [[bite wounds]], as the virus is present in the [[saliva]] of infected cats. It can also be transmitted from an infected mother to her kittens during [[birth]] or through [[breastfeeding]]. However, casual contact such as grooming or sharing food bowls is unlikely to spread the virus.
-== Clinical Signs ==
+== Symptoms ==
-The clinical progression of FIV infection in cats can be divided into three stages:
+The symptoms of FIV can vary widely and may not appear until years after the initial infection. Common symptoms include:
+* [[Fever]]
-. '''Acute Phase''': This occurs 4-6 weeks after infection and may present with mild symptoms such as fever, lymphadenopathy, and leukopenia.
+* [[Lethargy]]
+* [[Weight loss]]
-. '''Asymptomatic Phase''': This phase can last for years, during which the cat appears healthy but the virus is actively replicating in the lymphoid tissues.
+* [[Gingivitis]] and [[stomatitis]]
+* [[Chronic infections]]
-. '''AIDS-like Phase''': In this final stage, the cat's immune system is severely compromised, leading to secondary infections, weight loss, and other chronic health issues.
+* [[Neurological disorders]]
 == Diagnosis ==
-Diagnosis of FIV is typically made through serological testing, which detects antibodies to the virus in the cat's blood. The most common tests are the [[ELISA]] and [[Western blot]] tests. It is important to note that kittens born to FIV-positive mothers may test positive due to maternal antibodies, so retesting is recommended after six months of age.
+FIV is diagnosed through [[blood tests]] that detect the presence of [[antibodies]] to the virus. The most common tests are the [[ELISA]] and [[Western blot]] tests. It is important to confirm a positive result with a second test, as false positives can occur.
-== Treatment and Management ==
-There is currently no cure for FIV, but infected cats can live long, healthy lives with proper management. Treatment focuses on maintaining a good quality of life and preventing secondary infections. This includes regular veterinary check-ups, a balanced diet, and minimizing stress.
-Antiviral drugs, such as [[zidovudine]] (AZT), have been used in some cases to reduce viral load and improve clinical signs, but their use is not widespread due to potential side effects.
+== Treatment ==
+There is no cure for FIV, but infected cats can live long, healthy lives with proper care. Treatment focuses on managing symptoms and preventing secondary infections. This may include:
+* Regular [[veterinary check-ups]]
+* [[Antibiotics]] for bacterial infections
+* [[Antiviral drugs]]
+* [[Nutritional support]]
 == Prevention ==
-Preventing FIV involves reducing the risk of exposure to the virus. This includes keeping cats indoors to prevent fights with infected cats and neutering male cats to reduce aggressive behavior. A vaccine for FIV is available in some countries, but its efficacy is variable, and it may interfere with serological testing.
+Preventing FIV involves minimizing exposure to infected cats. Keeping cats indoors and away from potential fights with other cats can reduce the risk of transmission. There is a [[vaccine]] available, but its efficacy is debated, and it may interfere with future FIV testing.
-== Also see ==
+== See also ==
 * [[Feline leukemia virus]]
 * [[Retrovirus]]
-* [[Lentivirus]]
+* [[Zoonosis]]
-* [[Human immunodeficiency virus]]
+== References ==
+{{Reflist}}
+== External links ==
+* [https://www.cdc.gov/healthypets/pets/cats.html CDC - Healthy Pets, Healthy People]
+* [https://www.avma.org/resources-tools/pet-owners/petcare/feline-immunodeficiency-virus-fiv American Veterinary Medical Association]
-{{Viral diseases of cats}}
+[[Category:Feline diseases]]
-[[Category:Cat diseases]]
+[[Category:Animal virology]]
-[[Category:Animal viral diseases]]
+[[Category:Retroviruses]]
-[[Category:Retroviridae]]
+[[Category:Cat health]]