West Nile Virus


About the Virus

Clinical Signs






Zoonotic Risk

Veterinarian's Role

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ataxia: an inability to coordinate voluntary muscular movements that is symptomatic of some nervous disorders

atrophy: decrease in size or wasting away of a body part or tissue

catheterize:  the use of or insertion of a catheter (as in or into the bladder, trachea, or heart)

cellulitis: diffuse and especially subcutaneous inflammation of connective tissue

dysphagia: difficulty in swallowing

encephalitis: inflammation of the brain

hepatoencephalopathy:  a disease of the liver and the brain; especially one involving alterations of brain structure due to changes in the liver causing and increase in the amount of toxins in the bloodstream directly affecting the brain

hypocalcemia: a deficiency of calcium in the blood

incubation period: the period between the infection of an individual by a pathogen and the manifestation of the disease it causes

leukoencephalomalacia: softening of the brain due to degenerative changes in nervous tissue involving white blood cells (leukocytes)

neuropathy: an abnormal and usually degenerative state of the nervous system or nerves; also a systemic condition (as muscular atrophy) that stems from a neuropathy

necrosis: death of living tissue; specifically death of a portion of tissue differentially affected by local injury (as loss of blood supply, corrosion, burning, or the local lesion of a disease)

suppuration: the formation of, conversion into, or process of discharging pus

polio-encephalomyelitis: inflammation of the gray matter of the brain and the spinal cord

recumbent: lying down   

serology: a medical science dealing with blood sera and especially their immunological reactions and properties

tremorogenic: inducing tremors

zoonotic: a disease communicable from animals to humans under natural conditions