West Nile Virus
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West Nile Virus, originally detected in Africa, had it’s first recorded outbreak in North America in New York City in 1999. This outbreak caused disease in at least 60 people and resulted in 7 human deaths. Health Canada indicates that in 2002, 426 Canadians became ill after being infected with West Nile virus and during 2003, that number rose to over 1,300.

The virus is found in wild birds and carried by mosquitoes. When an infected mosquito bites a bird, the bird can become infected and can pass the virus on to other mosquitoes. When an infected mosquito bites a human or animal, they may in turn become infected.

West Nile virus has been found in many bird species in North America. Some species do not become sick when infected, while others such as crows, blue jays, magpies and ravens, get sick more often and may die.

Of the many species of mosquitoes in Canada, only a few are believed to be important in transmitting the disease because they are present I sufficient numbers and commonly feed on birds. Culex pipiens, Culex restuans and Culex tarsalis are three of these species.

See these links for more information about West Nile Virus:

Health Canada – West Nile Virus Information
www.hc-sc.gc.ca/english/westnile

BC Centre for Disease Control
www.bccdc.org


Follow these tips to reduce mosquito breeding areas around your home:

Keep your yard clean
Clean out eaves, gutters and drains
Always inspect swimming or wading pools and ponds
Eliminate stagnant water
Repair window screens and screen doors
Fix faucets and hoses

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