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West Nile virus (WNV) is a mosquito-borne virus first identified in the United States in 1999. It is most commonly found in Africa, Europe, the Middle East and North America.
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 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 ]
According to the CDC, 289 cases of West Nile virus have been logged so far in 2024. A majority of those patients, 195, developed severe neurological problems like inflammation of the brain or ...
Diagnosis of West Nile Virus (WNV) primarily relies on detecting viral RNA in serum or cerebrospinal fluid. [9] Although specific therapeutic treatments for WNV infections are lacking, severe cases, notably West Nile encephalitis, may necessitate intensive care unit interventions, life support therapy, and rehabilitation. [9]
Both West Nile virus and 'triple E,' which is eastern equine encephalitis, have had an uptick, particularly post-COVID," Dr. Larry Han, an assistant professor of public health and health sciences ...
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%).
The vast majority of people infected with West Nile, 70–80%, do not experience any symptoms, says Weaver, and about one in five people may develop a non-specific flu-like illness.