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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.
Access a clinical training for West Nile virus disease. Nov. 30, 2023. West Nile virus is primarily spread by mosquitoes. Learn about areas at risk, the illness it causes, and ways to prevent becoming infected. Homepage for CDC's West Nile virus website.
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.
Aug 19, 2022 · West Nile virus (WNV) is a member of the flavivirus family, which includes other mosquito-borne viruses such dengue and Zika. WNV emerged for the first time in the Western Hemisphere in New York City in 1999 and has since spread across the United States. It is now the most common arthropod-borne virus found in the U.S.
Jul 7, 2021 · In a very small number of cases, West Nile virus has been spread through: Exposure in a laboratory setting. Blood transfusion and organ transplant. Mother to baby, during pregnancy, delivery, or breast feeding. West Nile virus is not spread: Through coughing, sneezing, or touching. By touching live animals.
May 11, 2024 · Westnile.ca.gov | California West Nile Virus Website. West Nile virus (WNV) is a mosquito-borne virus that causes disease in humans, horses, and birds. WNV spreads to people through the bite of an infected mosquito, and it can make people sick and even cause death. WNV is common in the United States, especially in California, and is a problem ...
Sep 29, 2018 · What Is West Nile Virus Infection (West Nile Fever)? Symptoms. Causes. Risk factors. Diagnosis. Treatment. Facts and statistics. Prevention. Outlook. Overview. A mosquito bite can turn into...
