West Nile has been detected in Waterloo Region after a mosquito surveillance trap in Kitchener tested positive for the virus. This is the first positive trap the region has seen in 2026, but local public health officials confirm no human cases of the virus have been reported so far this year. “Protecting yourself against mosquito bites is the most effective way to avoid West Nile virus infection,” said Dr. Megan David, a medical resident with Region of Waterloo Public Health. “You can also help reduce the mosquito population by removing still or standing water on your property, as that’s where mosquitoes breed.” To control the local mosquito population and protect resident’s health, public health conducts case investigations, mosquito tests and larviciding during the warmer months. Most people don’t experience any symptoms if they contract West Nile virus. If they do, symptoms will be felt three to 15 days after exposure. Symptoms could include a mild fever, headache, muscle soreness, stiff neck, swollen glands and skin rash. Rare cases could see more severe symptoms develop. The following tips can help protect you from being infected with the virus:
