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Publications
Public Health Units
2005 Surveillance
Surveillance Archive
West Nile virus (WNv) is a mosquito-borne virus that can cause encephalitis. The virus was named after the West Nile region of Uganda, where it first appeared in 1937.
WNv is spread to humans by the bite of an infected mosquito. Mosquitoes become infected by biting an infected bird. The virus is not spread by person to person contact. It cannot be spread from a bird to a human.
The Ministry of Health and Long-Term Care (MOHLTC) worked with the local Public Health Units and Health Canada to monitor the presence of WNv in the province during 2002.
These publications require knowledgeable interpretation and are intended primarily for health care professionals.
For more information
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INFOline
at 1-866-532-3161
(Toll-free in Ontario only)
TTY 1-800-387-5559
Hours of operation : 8:30am - 5:00pm
For information about surveillance activities in specific regions of the province, please refer to your local
public health unit
.
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