Updated
Updated · insideottawavalley.com · Jun 23Renfrew County Records Nearly 80 Lyme Cases in 2025, Highest Annual Total on Record
1 articles · Updated · insideottawavalley.com · Jun 23Summary
- Nearly 80 Lyme disease cases were logged by the Renfrew County and District Health Unit in 2025, setting a new annual record for the county.
- Health-unit graphs show cases climbing steadily from 2022 through 2025, following an earlier spike in 2021.
- Officials said it is still too early to predict how the current tick season will develop, leaving open whether the upward trend will continue.
Insights
With a new Lyme vaccine now through trials, will high-risk areas like Renfrew County get priority access for residents? As ticks spread diseases beyond Lyme, are Canadian ecosystems fundamentally changing in ways we can no longer reverse?