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Lyme Disease Cases Surge in Eastern Ontario Amid Climate Change

7/8/2025

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Summary

Story summary

Eastern Ontario is grappling with a dramatic rise in Lyme disease, reporting 186 cases in 2025—more than half of Ontario's total. The South East Health Unit bears the brunt of this surge, attributed to climate change and booming tick populations. Health officials urge the public to prioritize prevention, seek early treatment, and use insect repellent to stay safe.

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Story summary

Eastern Ontario is grappling with a dramatic rise in Lyme disease, reporting 186 cases in 2025—more than half of Ontario's total. The South East Health Unit bears the brunt of this surge, attributed to climate change and booming tick populations. Health officials urge the public to prioritize prevention, seek early treatment, and use insect repellent to stay safe.