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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.
Dr. Leana Wen: West Nile virus is the No. 1 cause of mosquito-borne disease in the continental US, according to the US Centers for Disease Control and Prevention. It is most commonly spread ...
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 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 ]
The majority of people with West Nile virus do not present with symptoms, but about one in five will experience fever along with headaches, body aches, joint pain, diarrhea, vomiting, or a rash.
West Nile virus (WNV) infection typically manifests with most individuals remaining asymptomatic, while approximately 20-40% of those infected develop symptoms ranging from mild flu-like illness to severe West Nile encephalitis. [9] The incidence of severe neurologic disease is less than 1%. [9]
Here's what to know about West Nile virus symptoms and what happens if you get sick. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
So far this year, 216 human cases of West Nile have been reported in 33 states, according to the latest data from the Centers for Disease Control and Prevention. The illness caused what’s known ...