At a more micro level, the top five tick-infested cities in the U.S., in descending order, are New York City, Los Angeles, Philadelphia, San Francisco and Washington, D.C., according to the report.

The Northeast has recorded the highest rate of emergency department visits for tick bites in 2026, followed by the Midwest.

Add Yahoo as a preferred source to see more of our stories on Google. Be careful where you walk. Emergency room visits related to tick bites have spiked in 2025, reaching their highest point ...

Lyme disease, which is caused by deer ticks, has been on the rise in Ontario County over the last five years. Canandaigua City Council's environmental committee meets at 6 p.m. Feb. 3 at the Hurley ...

Tiny nymphal ticks are most active from March through July as warmer weather brings more people outdoors ...

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 ...

Lyme disease is the most common tick-borne illness, primarily transmitted through the bite of an infected blacklegged tick ...

Health Secretary Robert F. Kennedy Jr. kicked off a new national effort to fight Lyme disease in a visit Friday to New Hampshire.

KENTUCKY (FOX 56) — Nothing sours a lovely day spent outside quite like a nasty tick bite. The tiny bloodsuckers may be small, but one tick can transmit numerous diseases like Lyme disease or Rocky ...

The bloodsucking Asian longhorned tick has appeared in Bucks County, and while its threat to humans is unclear, your pet dog ...