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What is the West Nile virus?
Can mosquito bites spread West Nile virus?
Does West Nile have symptoms?
Though West Nile belongs to the same genus that contains the Zika, dengue and yellow fever viruses, most people who are infected develop no symptoms. Those who do show symptoms experience things like fever, body aches, vomiting and diarrhea, but can recover completely.
Jul 3, 2023 · It's a flavivirus —a specific type of RNA virus that can infect humans, birds and horses. "West Nile virus is transmitted predominantly through the bite of an infected mosquito. Less commonly, it can be transmitted through other means, like blood transfusion," says Dr. Pritt.
West Nile virus (WNV) is the leading cause of mosquito-borne disease in the continental United States. It is most commonly spread to people by the bite of an infected mosquito. Cases of WNV occur during mosquito season, which starts in the summer and continues through fall.
The West Nile virus, like most mosquito-borne viruses, is found in wild birds. The disease caused by the virus was first described in Africa in 1937, with outbreaks occurring later in Asia, Europe, and the Middle East. The virus was first documented in North America in 1999.
Aug 6, 2019 · What is the difference between West Nile virus and Zika virus? West Nile virus is carried by Culex tarsalis or the Western encephalitis mosquito. This species is most active just after sunset.
Zika is a mosquito-borne virus, similar to dengue fever, yellow fever and West Nile virus. The infection is associated with a birth defect called microcephaly, which can affect babies born to people who become infected with Zika while pregnant.
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.
