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May 15, 2024 · Most people (8 out of 10) infected with West Nile virus do not develop any symptoms. Febrile illness (fever) in some people. About 1 in 5 people who are infected develop a fever with other symptoms such as headache, body aches, joint pains, vomiting, diarrhea, or rash.
Jul 3, 2023 · Symptoms. Most people infected with the West Nile virus do not experience any symptoms though some may develop a fever, headache, body aches, joint pains, vomiting and rash. While most people fully recover, some may experience ongoing weakness and fatigue for months.
May 15, 2024 · An estimated 70-80% of human WNV infections are subclinical or asymptomatic. Most symptomatic persons experience an acute systemic febrile illness that often includes headache, weakness, myalgia, or arthralgia; gastrointestinal symptoms and a transient maculopapular rash also are commonly reported.
Jan 24, 2023 · One in 150 infections will result in West Nile neuroinvasive disease (WNND), in which the virus invades the central nervous system. Symptoms may include severe headache, neck stiffness, muscle weakness, tremors, disorientation, convulsions, paralysis (typically reversible), and coma.
Sep 29, 2018 · Symptoms include: fever. headache. body aches. nausea. vomiting. swollen lymph glands. rash on your chest, stomach, or back.
Usually, the West Nile virus causes no symptoms or only mild, flu-like symptoms. The virus can cause life-limiting illnesses, such as encephalitis, meningitis, or meningoencephalitis. There is no vaccine available to prevent West Nile virus.
Oct 16, 2023 · Most people infected with West Nile virus don’t have symptoms. About 1 in 5 people have symptoms like fever, rash and muscle aches. Rarely, West Nile can cause serious brain and spinal cord inflammation (encephalitis and meningitis).
