West Nile virus is a serious disease transmitted to humans via a bite of an infected mosquito.

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West Nile virus is a critical illness transmitted to people through a chunk of an contaminated mosquito.

Toronto Public Well being has confirmed 27 human circumstances of West Nile virus this summer time, barely down from 28 circumstances final yr.

The quantity is according to town’s yearly common, in response to the Toronto Public Well being report on communicable illnesses. From 2012 to 2016, town reported a imply of 29 circumstances per yr.

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The virus “is a doubtlessly critical sickness that’s transmitted to people by way of the chunk of an contaminated mosquito,” the company mentioned on-line. 4 out of 5 individuals don’t present any signs after getting bitten, however those that get sick develop signs two to 15 days later. Signs embody fever, head aches, physique aches, fatigue and sometimes nausea.

The mosquito-borne illness first unfold to Canada in 2001 from the U.S., and the primary human case within the nation was reported in Ontario in 2002. The outbreak brought about a well being panic, and since then Canadian public well being businesses have launched surveillance applications to observe its development.

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Ontario has seen by far probably the most human circumstances of West Nile this yr, with the province’s public well being company reporting 72 confirmed or possible circumstances as of Sept. 15.

The most recent knowledge collected by the Public Well being Company of Canada, in the meantime, reveals 88 different confirmed human circumstances outdoors of Ontario as of Sept. 15; 19 in Alberta, 29 in Manitoba and 40 in Quebec.

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West Nile virus season is usually thought-about to start over the summer time and finish within the fall.

Ilya Bañares is a breaking information reporter, understanding of the Star’s radio room in Toronto. Observe him on Twitter: @ilyaoverseas


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