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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.
About 2 in 10 people infected with West Nile virus develop symptoms, which can include fever and swelling of the brain. About 1 in 10 people who develop severe symptoms die. There have been 216 ...
Eastern equine encephalitis; Specialty: Infectious diseases Symptoms: high fever, muscle pain, altered mental status, headache, meningeal irritation, photophobia, and seizures: Causes: Eastern equine encephalitis virus: Risk factors: People over the age of 50 or younger than the age of 16 are at greatest risk of developing severe disease.
Unlike Eastern equine encephalitis, the overall mortality of WEE is low (approximately 4%) and is associated mostly with infection in the elderly. Approximately 15–20% of horses that acquire the virus will die or be put down. [3] There is no human vaccine for WEE and there are no licensed therapeutic drugs in the U.S. for this infection.
Additional possible viral causes are arboviral flavivirus (St. Louis encephalitis, West Nile virus), bunyavirus (La Crosse strain), arenavirus (lymphocytic choriomeningitis virus), reovirus (Colorado tick virus), and henipavirus infections. [14] [15] The Powassan virus is a rare cause of encephalitis. [16]
West Nile virus. About 2 in 10 people infected with West Nile virus develop symptoms, which can include fever and swelling of the brain. About 1 in 10 people who develop severe symptoms die. There have been 216 West Nile cases so far this year. West Nile virus was first reported in the U.S. in 1999 in New York. It gradually spread across the ...
Wen: Unfortunately, there is no vaccine and no specific antiviral treatment for West Nile. Individuals diagnosed with it receive supportive treatment to address their symptoms, but there is no ...
Removing containers of stagnant water and spraying insecticides can be beneficial. Activities that increase the likelihood of tick bites should be avoided. Vaccines against some arboviruses that cause viral encephalitis exist, such as those against Eastern equine encephalitis, Western equine encephalitis, and Venezuelan equine encephalitis.