Feline panleukopenia

Name(s): 
Feline parvovirus
Feline infectious enteritis
Feline distemper
Feline agranulocytosis
Feline ataxia
Nature

Carnivore protoparvovirus 1 is a species of parvovirus that infects carnivorans. It causes a highly contagious disease in both dogs and cats separately. The disease is generally divided into two major genogroups: FPV containing the classical feline panleukopenia virus (FPLV), and CPV-2 containing the canine parvovirus type 2 (CPV-2) which appeared in the 1970s.

Belonging to the family Parvoviridae, FPLV have linear, single-stranded DNA (ssDNA) genomes. This agent is one of the smallest animal viruses, barely 18 to 20 nm in diameter. Like other parvovirus genomes, it has hairpin structures at both ends of its genome: 3-genome Y-type structure and 5-terminal U-shaped structure, making it challenging to amplify the full-length genome of parvovirus despite its small size. Sequences in the genome show a high degree of nucleotide conservation in the VP2 gene after over 90 years since it has emerged; the VP2 gene codes for the capsid protein VP2, a main structural protein, which determines the major mutations during the evolution of CPV.

FPLV is known to infect all wild and domestic members of the felid (cat) family worldwide. It is a highly contagious, severe infection that causes gastrointestinal, immune system, and nervous system disease. Its primary effect is to decrease the number of white blood cells, causing the disease known as feline panleukopenia.

Although it was once thought that only FPLV caused panleukopenia in cats, it has been confirmed that a feline panleukopenia illness can be caused by CPV 2a, 2b, and 2c.

FPLV is commonly referred to as:

feline infectious enteritis virus (FIE) feline parvovirus (FPV or FP or "feline parvo") feline parvoviral enteritis

It is sometimes confusingly referred to as "cat plague" and "feline distemper".

In addition to members of the felid family, it can also affect other carnivorans (e.g. raccoon, mink).

Source: Wikipedia

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Type 
(G) Very specific problems