The Simcoe Muskoka District Health Unit (SMDHU) is reminding residents to protect themselves against mosquito bites following confirmation that mosquitoes collected from a trap in Alliston tested positive for the West Nile virus (WNv).
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.
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, and follow manufacturer’s instructions
- Wear light-coloured clothing and cover up arms and legs in areas where mosquitoes are present
- Try to stay indoors when mosquitoes are most active, especially 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.
For more information about WNv visit smdhu.org or call Health Connection at 705-721-7520 or 1-877-721-7520, weekdays from 8:30 a.m. to 4:30 p.m.
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