First human case of West Nile virus detected in Manitoba


First human case of West Nile virus detected in Manitoba

The Culex quinquefasciatus mosquito is an agent in the transmission of West Nile virus.

A 60-year-old infected with West Nile virus is the first human case reported this year in Manitoba, announces the province.

The woman resides in the Interlake-East Health Region, the province said in a statement.

Between 2017 and 2021, 45 human cases of West Nile virus have been identified in Manitoba. Among them, nine people required hospitalization and four were treated in intensive care units.

The province says that new infected mosquitoes have been discovered in Brandon.

This is the second batch of mosquitoes carrying the virus spotted in Manitoba this year. In early July, the provincial government announced that Culex mosquitoes carrying the virus had been discovered in Headingley, west of Winnipeg.

The risk of Exposure to the virus is currently low, but could increase in the coming weeks, as the highest risk period is historically in late July and early August, the province says. Manitobans are reminded that it only takes one bite from an infected mosquito to become infected, she continues.

Most infected people don't develop no or only mild symptoms, says the province.

  • reduce time spent outdoors between dusk and dawn;
  • use mosquito repellent effective;
  • wear loose, light-colored clothing that covers arms and legs;
  • install screens on doors and windows;
  • vacuum and clean objects in the yard that may contain water.


Please enter your comment!
Please enter your name here