West Nile positive mosquitoes found in Peel Region

Posted August 04, 2018

The positive test in Oakville came from mosquitoes trapped this week.

The person, who was hospitalized and is now recovering, is an adult resident of the northeastern part of the county, the county health department said in a news release.

No human cases of West Nile virus have been reported in the metro so far this year.

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"With record levels of West Nile virus activity in mosquitoes already found, we are at increased risk of disease from a bite of a mosquito", said DEP Secretary Patrick McDonnell. Use them according to label instructions.

Lehigh County, where there have been 50 positive pools, and Northampton County, with 26 pools, are the 13th- and 23rd-highest counties respectively, Helwig said.

Maryland's Department of Agriculture said it found the virus in mosquitoes collected in the Riverdale Park area of Prince George's County. Residents are reminded to wear light-coloured, long-sleeved shirts and trousers and use mosquito repellent containing DEET if older than six months of age. Last year, there was one non-fatal human case. For standing water that can not be drained such as fountains, ponds, etc., consider adding "Mosquito Dunks" or mosquito fish, which feed on mosquito larvae.

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According to WHO, WNV is maintained in nature in a cycle involving transmission between birds and mosquitoes.

Homeowners are also asked to eliminate standing water by cleaning eaves troughs, emptying bird baths, covering rain barrels with mosquito screens, getting rid of containers that collect water and landscaping for better drainage.

Female mosquitoes eat one "blood meal" and then lay 300 eggs, a process that they can go through up to four times.

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West Nile Virus symptoms can appear 3 to 14 days after an infection.