Public Health Officials Find More Blacklegged Ticks in Dawson, Sheridan Counties
- Public health officials confirmed three blacklegged ticks in 2024 from Dawson and Sheridan counties in Montana, marking the first identification in the state.
- These findings resulted from active surveillance by researchers and health officials, with two ticks tested by CDC showing no human pathogens detected.
- The ticks were found on a dog in Dawson County after a hunting trip and by crews conducting surveillance near a lake in Sheridan County.
- Officials warn that the presence of blacklegged ticks could increase exposure to diseases like Lyme disease and advise reducing contact using repellents, permethrin treatments, and regular tick checks.
- Investigations continue to assess if blacklegged ticks are establishing habitat elsewhere in Montana, with state agencies monitoring tick activity and adjusting guidance as necessary.
22 Articles
22 Articles

Public health officials find more blacklegged ticks in Dawson, Sheridan counties
“The presence of this new type of tick in the state could mean that Montanans have an increased risk of exposure to diseases that weren’t previously a threat in Montana.”
Black-legged ticks reported in parts of Montana, raising health concerns
MONTANA - With temperatures rising and outdoor activities increasing, the Montana Department of Public Health and Human Services has reported that black-legged ticks have been identified in the state for the first time.
Residents urged to take action to prevent tick bites
LANSING — The Michigan Department of Health and Human Services (MDHHS) is encouraging state residents to take steps to avoid tick bites while enjoying the outdoors. Tick-borne diseases, particularly Lyme disease and anaplasmosis, are increasing across the state.
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