Diseases contracted via ticks have been reported in all 50 states, and about 15 states consider ticks an endemic problem, namely northeastern regions like New York and Connecticut. At least 15 species ...

Ticks are tiny parasites that feed on the blood of humans and animals. Adult ticks typically measure about 3 to 5 millimeters in length, based on their age, sex and species. Because of their small ...

Be careful where you walk. Emergency room visits related to tick bites have spiked in 2025, reaching their highest point nationwide in five years, according to the CDC's Tick Bite Data Tracker. The ...