What about all the other rodents present (e.g., squirrels)?
The white-footed mouse is by far the most important host for the Lyme disease bacterium. The eastern chipmunk and the meadow vole may also be important, and they are also treated by bait boxes. Squirrels are too large for the bait boxes, but they don’t appear to play a significant role in Lyme disease risk for humans.
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