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West Nile fever is an infection by the West Nile virus, which is typically spread by mosquitoes. [1] In about 80% of infections people have few or no symptoms . [ 2 ] About 20% of people develop a fever , headache, vomiting, or a rash. [ 1 ]
West Nile virus is a potentially serious illness most commonly spread by mosquitoes. While many people infected with the virus show no symptoms, it can cause severe neurological diseases in some ...
Wen: There are blood tests that can detect antibodies to West Nile virus that are used for diagnosis. Patients with the neurological form of the illness may also receive a spinal tap, and testing ...
West Nile fever is an infection by the West Nile virus, which is typically spread by mosquitoes. [53] In about 80% of infections people have few or no symptoms . [ 54 ] About 20% of people develop a fever , headache, vomiting, or a rash. [ 53 ]
West Nile virus is diagnosed through laboratory testing, clinical symptoms and history of exposure, per the CDC. The vast majority of people who are infected never get diagnosed, Weaver adds.
West Nile virus was accidentally introduced into the US in 1999 and by 2003 had spread to almost every state with over 3,000 cases in 2006. Other species of Aedes as well as Culex and Culiseta are also involved in the transmission of disease. [citation needed] Myxomatosis is spread by biting insects, including mosquitoes. [10]
Like West Nile virus, EEE also can progress to a more severe condition, like encephalitis or meningitis, the latter of which is swelling of the membranes that surround the brain and spinal cord.
During the 2012 West Nile virus outbreak in Texas, 1,868 cases were reported. Male patients, persons >65 years of age, and minorities were at highest risk for neuroinvasive disease. At total of 1,868 cases including 844 (45%) WNND (West Nile neuroinvasive disease) cases and 89 deaths (case-fatality rate 5%).