Feline Panleukopenia

Feline panleukopenia is a highly contagious, often fatal, viral disease of cats that is seen worldwide.

Disease Overview

Panleukopenia (sometimes called feline distemper) is a highly contagious, severe infection that causes gastrointestinal, immune system, and nervous system disease.

ā€œPanleukopeniaā€ means a decrease in the number of white blood cells and is caused by a virus (feline parvovirus) that is very similar to the virus that causes parvovirus in dogs.

FELINE PANLEUKOPENIA FAST FACTS

  • FPV can cause disease in all felids and in some members of related families (eg, raccoon, mink).
  • Feline panleukopenia virus (FPV) can survive at room temperature for up to 1 year and is persistent in the environment.31
  • Highly contagious, severe infection that causes gastrointestinal, immune system, and nervous system disease.

TRANSMISSION

Cats are infected oronasally by exposure to infected animals.

  1. Directly between cats
  2. Indirectly through
    • Shared food and water bowls
    • Grooming items
    • Humans transmitting through hands, clothing or shoes

CLINICAL SIGNS

  • Diarrhea
  • Vomiting
  • Disinterest in food/water
  • Depression
  • Low white blood cell count
  • Seizures

Physical examination typically reveals profound depression, dehydration, and sometimes abdominal pain. Abdominal palpationā€”which can induce immediate vomitingā€”may reveal thickened intestinal loops and enlarged mesenteric lymph nodes.

CATS AT RISK

Cats that interact with other felines are most susceptible:

  • Boards often or comes from a shelter environment
  • Lives in a multiple cat household
  • Is a rescue cat or from a feral cat population
  • Indoor/outdoor cats are both at risk

Virtually all susceptible cats are exposed and infected within the first year of life.31Ā Kittens are affected most severely.

MORBIDITY THREATS

FPV infects and destroys actively dividing cells in bone marrow, lymphoid tissues, intestinal epithelium, andā€”in very young animalsā€”cerebellum and retina.

Acute cases show fever, depression, and anorexia after an incubation period of 2ā€“7 days. Vomiting usually develops 1ā€“2 days after the onset of fever. Diarrhea may begin a little later but is not always present. Extreme dehydration develops rapidly.

Terminal cases are hypothermic and may develop septic shock and disseminated intravascular coagulation. Peracute cases may die suddenly with little or no warning.

SPREADING DISEASE

Feline panleukopenia virus (FPV) can survive at room temperature for up to 1 year and is persistent in the environment.31

DIAGNOSIS

A presumptive diagnosis is usually based on compatible clinical signs in an inadequately vaccinated cat and the presence of leukopenia. Total WBC counts <2,000 cells/ĀµL are associated with a poorer prognosis.

Diagnosis can sometimes be confirmed using an in-office immunochromatographic test kit intended for detection of fecal CPV antigen. However, fecal antigen is detectable only for a short time after infection and false-negative results are common.

Merck Animal Health Vaccines

NOBIVACĀ®Ā FELINE 1-HCP

A quality core vaccine shown to be effective for vaccination of healthy cats 9 weeks of age or older against feline rhinotracheitis, calici, and panleukopenia viruses.

Professional Resources and Educational Materials

Keep your clinic and staff informed and aware of diseases and outbreaks.

Feline Vaccination Guide

Brochure

A guide to help your pet parents understand common feline diseases and the importance of customizing vaccination for their petā€™s unique lifestyle.

Download

Feline Leukemia Virus

Brochure

Educate your clients about FeLV with this easy to share brochure.

Download

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