Lyme disease cases surge in Maine this year, surpassing record set in 2024
Orono, Maine, United States
Oct 14, 2025
Maine has already exceeded last year’s record Lyme disease total, with 3,569 cases as of Oct. 14, despite an ongoing drought. Experts say warming temperatures are expanding deer tick range and activity, while the drought’s timing spared larval ticks.
The Portland Press Herald
Background
Observations From Members 
