A ‘Wave’ of Ticks Is Headed for Ontario. Here’s What 1 Scientist Says You Can Do to Protect Yourself and Your Pets This Summer.

Rising Tick Threat in Southern Ontario: How to Protect Yourself

Ontario is experiencing a rise in reports of blacklegged ticks this spring, as the populations of these tiny parasites continue to increase in the province year after year. There has been a more than 40 percent surge of Lyme disease-carrying ticks reported this year compared to the same time frame in 2025, according to local data. Driven by warmer winters expanding the insects’ geographic range, the surge means some areas of the province are alr…

A ‘wave’ of ticks is headed for Ontario. Here’s what 1 scientist says you can do to protect yourself and your pets this summer.

As the warmer weather arrives in Ontario, so too could a rush of ticks from the United States.

Ticks are surging in Ontario this year and Toronto is a ‘hot spot.’ Here’s how to protect yourself

There are 40 per cent more Lyme disease-carrying ticks reported in Ontario this year compared to last — and Toronto’s the epicentre of activity.