This is why ticks are taking over Canada
Lyme disease cases in Canada have risen significantly, from 143 in 2010 to over 7,000 in 2025. Researchers attribute this increase to climate change, which has created more favorable conditions for tick survival and expansion.
Why it matters
The surge in tick-borne illnesses poses a growing public health challenge as climate change alters regional ecosystems.
Reprinted with permission from Be Giant , a non-profit, non-partisan media outlet reporting on the people, places, ideas and breakthroughs shaping Canada's future. Sign up for their weekly newsletter .
The article relies on scientific research and public health data to explain an environmental and health trend.
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