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Healthcare providers diagnose West Nile virus infection based on: Signs and symptoms; History of possible exposure to mosquitoes that can carry West Nile virus; Laboratory testing of blood or spinal fluid; Your healthcare provider can order tests to look for West Nile virus infection or other infections that can cause similar symptoms.
Oct 16, 2023 · West Nile is a virus that spreads through mosquito bites. 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).
West Nile virus infections occur in mid- to late summer and early fall in mild zones. It can also occur year-round in southern climates. Most often, the West Nile virus causes no symptoms or a mild, flu-like illness. But the virus can cause life-threatening illnesses, such as: Inflammation of the brain (encephalitis)
What Is West Nile Virus? West Nile virus. infection can cause serious disease. WNV is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall. This fact sheet contains important information that can help you recognize and prevent West Nile virus. What Can I Do to Prevent WNV?
6 days ago · 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 that is here to stay.
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 3, 2023 · Neurosciences. West Nile virus: What you need to know. Deb Balzer. July 3, 2023. Female Culex mosquito, courtesy: CDC. The Centers for Disease Control and Prevention (CDC) have confirmed reports of West Nile virus in 10 states. The bite of an infected mosquito most commonly spreads the virus.
