AUGUSTA, Maine – Tickborne illnesses are rising sharply across Maine and much of the United States, with state health officials reporting record numbers of Lyme disease, anaplasmosis and babesiosis cases as residents face increasing exposure close to home.
The Maine Center for Disease Control and Prevention reported 4,257 cases of Lyme disease in 2025, up from 3,218 cases in 2024. The increase represents a jump of more than 1,000 reported cases, or approximately 32 percent, in a single year.
Other tickborne illnesses also reached record levels in Maine last year. Reported cases of anaplasmosis rose from 1,284 in 2024 to 1,604 in 2025, an increase of nearly 25 percent. Babesiosis cases increased from 309 to 352, a rise of nearly 14 percent.
Maine Tickborne Illness Cases Surge as Lyme Disease Reports Climb 32 Percent in One Year
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