Mosquitoes

• Near-record rainfall in Calgary prompts soaring number of complaints about mosquitoes

  With more than twice the normal monthly amount of rain falling on Calgary in July of this year, outdoor enthusiasts in the city say there are a lot more mosquitos too.

  Environment

  Aug 5, 2025
  
• West Nile virus is back. Where it’s been found, and what you should know

  West Nile has been reported in mosquitoes found in Toronto, York Region and Niagara Region so far, but doctors are cautioning human cases could come soon.

  Canada

  Jul 23, 2025
  
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• Quebec issues warning about diseases from ticks, mosquitoes

  Quebec's Health Department is warning people to stay vigilant about tick and mosquito bites as summer begins.

  Health

  Jun 20, 2025
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• Calgary researchers using ‘citizen science’ for a study on invasive mosquitoes

  Calgary researchers are using 'citizen science' to help determine how an invasive species of mosquito, which is a carrier of the West Nile virus, can survive Alberta's winter.

  Science

  May 28, 2025
• Warmer summers could mean Zika and dengue move into Canada, experts warn

  Zika virus and dengue fever are mostly found in tropical locations, but insect and health experts are warning climate change could bring them to Canada.

  Canada

  Sep 25, 2024
• Ottawa resident dies from rare and deadly mosquito-borne virus

  A rare and deadly mosquito-borne illness, the eastern equine encephalitis virus (EEEV), has claimed the life of an Ottawa resident, marking the city's first confirmed human case.

  Health

  Sep 12, 2024
• Toronto reports 1st probable human case of West Nile virus this year

  Toronto Public Health says in a news release on Friday that an adult resident contracted the virus.

  Health

  Aug 16, 2024
• MLHU confirms first local human case of West Nile virus for 2024

  Last month, four mosquito water basins tested positive for the virus across the region, but Aug. 9 marks the first recorded human case of the virus this year.

  Health

  Aug 9, 2024
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• Province to fog Winkler over concern of possible West Nile virus

  Winkler has too many mosquitoes that could carry West Nile virus, so the province is going to fog the city.

  Canada

  Jul 31, 2024
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• West Nile virus is a summer reality in Canada. How to stay safe

  As summer heats up in Canada, the mosquito population is on the rise, bringing with it an increased risk of West Nile virus, a potentially deadly disease.

  Health

  Jul 23, 2024