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West Nile virus. 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]
What are the symptoms of West Nile virus? Approximately 80% of people infected with WNV show no symptoms at all. About 20% of infected individuals develop West Nile fever, which includes symptoms ...
CNN: What are the symptoms of West Nile virus disease and how serious is it? Dr. Leana Wen: West Nile virus is the No. 1 cause of mosquito-borne disease in the continental US, ...
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.
Half of all cases (48.5%) diagnosed in the U.S. lead to neuroinvasive symptoms. Over 90% of deaths occurred in cases with neuroinvasive disease. [1] After several cases of West Nile disease transmitted by blood transfusion, the U.S. began testing all blood donations and dozens of presumed cases are found each year. [5]
In about 1 in 150 people who develop symptoms, the virus can infect the central nervous nervous system and cause severe illness called West Nile neuroinvasive disease, the experts note.
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 ...