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Humans get West Nile from the bite of an infected mosquito. 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.
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.
Oct 3, 2017 · Key facts. West Nile virus can cause a fatal neurological disease in humans. However, approximately 80% of people who are infected will not show any symptoms. West Nile virus is mainly transmitted to people through the bites of infected mosquitoes. The virus can cause severe disease and death in horses. Vaccines are available for use in horses ...
Jan 24, 2023 · Symptoms of West Nile Virus. Mild, flu-like symptoms can turn deadly in some. West Nile fever is a mosquito-borne viral infection of which 75 percent of cases will have little to no recognizable symptoms. The remaining 25 percent may develop a fever, headache, vomiting, or rash.
Apr 11, 2024 · Symptoms of West Nile virus. When symptoms of West Nile virus do occur, they typically include fever, headache, body aches, weakness, and fatigue. Some people may also experience nausea, vomiting, diarrhea, rash, or swollen lymph glands. The most worrisome complication from a West Nile virus infection is if it spreads to the central nervous ...
May 15, 2024 · Key points. West Nile virus is most commonly spread through the bite of an infected mosquito. Symptoms include fever, headache, body aches, vomiting, diarrhea, or rash. There are no vaccines to prevent or medicines to treat West Nile virus disease (West Nile) in people.
Aug 19, 2022 · Most people (about 8 out of 10) who are infected with WNV develop no symptoms at all, while a smaller proportion develop mild symptoms of fever, body aches, skin rash, and swollen lymph nodes. If the virus crosses the blood-brain barrier, however, it can cause life-threatening conditions that include inflammation of the brain and spinal cord.
