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West Nile virus (WNV) is a single-stranded RNA virus that causes West Nile fever. It is a member of the family Flaviviridae , from the genus Flavivirus , which also contains the Zika virus , dengue virus , and yellow fever virus.
West Nile fever is an infection by the West Nile virus, which is typically spread by mosquitoes. [1] In about 80% of infections people have few or no symptoms . [ 2 ] About 20% of people develop a fever , headache, vomiting, or a rash. [ 1 ]
U.S. West Nile virus (WNV) neuroinvasive disease incidence as of Sep 4, 2012. The West Nile virus quickly spread across the United States after the first reported cases in Queens, New York, in 1999. The virus is believed to have entered in an infected bird or mosquito, although there is no clear evidence.
West Nile virus (WNV) is a mosquito-borne virus first identified in the United States in 1999. It is most commonly found in Africa, Europe, the Middle East and North America. The virus primarily ...
West Nile is the leading cause of disease wrought by mosquitoes in the U.S., according to the CDC. In August 1999, the first year it was introduced to the U.S., there were 62 cases and a handful ...
Since West Nile was first detected in the U.S. in 1999, it’s become the most common mosquito-borne illness in the country. The bugs become infected when they bite sick birds, then spread the ...
The documented history of West Nile Virus (WNV) traces back to its initial identification in Camargue, France, during the 1960s. [3] Subsequent to its discovery, the European Union (EU) witnessed the emergence of West Nile Fever outbreaks, notably in Algeria in 1994 and Romania in 1996, with the latter experiencing a significant toll of 393 ...
West Nile virus is the leading cause of mosquito-borne disease in the continental U.S., according to the U.S. Centers for Disease Control.