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Bird found in Bradford West Gwillimbury tests positive for West Nile virus

Aug 26, 2022
SIMCOE MUSKOKA – The Simcoe Muskoka District Health Unit (SMDHU) has received information that a dead bird found in Bradford West Gwillimbury has tested positive for West Nile virus (WNv).

SIMCOE MUSKOKA The Simcoe Muskoka District Health Unit (SMDHU) has received information that a dead bird found in Bradford West Gwillimbury has tested positive for West Nile virus (WNv).

This is the first lab-confirmed evidence of WNv in Simcoe Muskoka this year. As of Aug. 25, no human cases of the mosquito-borne viral disease have been reported in Ontario in 2022.

WNv circulates between birds and some species of mosquitoes. The virus can be transmitted to humans by a mosquito bite if the mosquito has first bitten an infected bird.

“Finding this infected bird is a reminder that we need to continue to take appropriate measures to protect ourselves against West Nile virus at this time of year,” says Brenda Armstrong, program manager of SMDHU’s Healthy Environment program. “The best way for the public to protect themselves is to prevent mosquito bites.”

The risk of contracting WNv from an infected mosquito is highest in late summer. The health unit recommends the following personal protection measures:

  • Use an approved mosquito repellent, following the manufacturer’s instructions.
  • Wear light-coloured clothing and cover up in areas where mosquitoes are present.
  • Try to stay indoors when mosquitoes are most active (at dusk and dawn).

Although most people will not become sick if bitten by an infected mosquito, WNv can cause severe illness in some people. Symptoms of WNv include fever, muscle weakness, stiff neck, confusion, severe headache and a sudden sensitivity to light. In very rare cases, the virus may cause serious neurological illness. Those experiencing symptoms should seek medical advice.

The health unit will continue its surveillance for the virus in the Bradford West Gwillimbury area as well as throughout Simcoe Muskoka.

Anyone with concerns about a dead bird can contact the Canadian Wildlife Health Cooperative at 1-866-673-4781.

For more information about West Nile virus visit  smdhu.org or call Health Connection at 705-721-7520 or 1-877-721-7520.

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