Lyme disease cases in Michigan nearly quadrupled between 2022 and 2025 as the state's tick population surges.

There’s been a very noticeable increase in the tick population, both in Pennsylvania and outside of it. And with this rise in the number of ticks comes growing concern over tick-borne illnesses.

The Lone Star tick, which can cause alpha-gal syndrome, is spreading north throughout Massachusetts.

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There is an increasing need for signs such the one seen here at the entrance to a trail at Mashashimuet Park in Sag Harbor, New York, warning of ticks. (Photo by James Carbone/Newsday RM via Getty ...

The tick population is “exploding” all across the United States, as spurred by warming temperatures. And Pennsylvania was found to have some of the highest rates of ticks in the country. According to ...

Tick numbers are steady, but disease risk is rising Blacklegged tick populations in New England and New York aren’t exploding, but the number of ticks carrying disease-causing pathogens has risen ...