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The Public Well being Company of Canada says this yr’s first human case of West Nile virus acquired throughout the nation has been confirmed in Toronto.
The affirmation comes after Toronto Public Well being mentioned its first laboratory-confirmed case of the virus in 2025 is an grownup resident of the town with no journey historical past.
The virus is transmitted to people via contaminated mosquitoes.
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PHAC’s West Nile surveillance report says that as of July 12, two different Canadian residents have been contaminated this yr whereas travelling exterior of the nation.
Its surveillance map exhibits West Nile detections in two mosquito swimming pools in Ontario and one in Manitoba as of that date.
Toronto Public Well being says signs often start between two to 14 days after a mosquito chew and might embody fever, headache, nausea, vomiting, physique aches, pores and skin rash, swollen lymph glands or a stiff neck.
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It says older adults and other people with compromised immune programs are at larger danger of extreme sickness.
Folks can forestall an infection by avoiding mosquito bites — put on light-coloured lengthy sleeves and lengthy pants, use Well being Canada-approved insect repellent, put tight-fitting screens on all home windows and do away with standing water in buckets, planters, pool covers and different containers to eradicate mosquito breeding grounds.
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