Invasive Species

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West Nile Virus

Credit: Health Canada
Illustrated is a picture of a mosquito. Mosquitoes are West Nile Virus carriers that become infected when they feed on infected birds. Infected mosquitoes…Read More »

can then spread West Nile Virus to humans and other animals when they bite. West Nile is a virus mainly transmitted to people through the bite of an infected mosquito. Mosquitoes transmit the virus after becoming infected by feeding on the blood of birds, of which carry the virus. Since 1999, West Nile Virus has been detected in humans, horses, birds, or mosquitoes in 47 states in the United States. According to the U.S. Centers for Disease Control and Prevention, as of 13 November 2003, the CDC has received confirmation from state agencies of 8219 human cases of West Nile Virus for the year, resulting in 182 deaths. Statistically, a person's risk of contracting West Nile is low. In most areas where the virus is established, only 1% of the area's mosquitoes carry the virus.   Less «
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