There are over 800 species of ticks throughout the world, but only two families of ticks, Ixodidae (hard ticks) and Argasidae (soft ticks), are known to transmit diseases or illness to humans.

Learn where ticks live, how to prevent tick bites, and what to do after a tick bite. Homepage for CDC's website about ticks and tickborne diseases.

Jul 24, 2025 · Ticks can transmit diseases like Lyme disease, Rocky Mountain spotted fever, and Colorado tick fever, so prompt removal and medical attention are crucial. To remove a tick, use fine …

Nov 14, 2023 · As of 2019, Lyme disease is the most often diagnosed tick-borne illness. Here are images of unfed, human-biting ticks. The images also show where the ticks might be found in the …

A list of types of ticks found in the United States that are known to bite and transmit disease to humans.

Ticks are small bugs that can be hard to spot when they’re crawling on you. Tick bites can sometimes spread dangerous diseases, like Lyme disease and Rocky Mountain spotted fever.

Jul 18, 2025 · What Are Ticks? Ticks are small bloodsucking parasites. Although people assume ticks are insects, they are actually arachnids (like spiders) with three pairs of legs and one pair of …

Oct 13, 2024 · Ticks are parasites that feed on blood and can transmit serious diseases like Lyme disease and Rocky Mountain spotted fever, causing symptoms ranging from fever to severe illness.

Jan 11, 2026 · MORGANTOWN, W.Va. — Two West Virginia University experts are warning residents and visitors that ticks are more prevalent than ever, and encounters with them are increasingly …

Read about tick bite prevention, and learn symptoms, signs, and treatment of tick bites. Find out about types of ticks, and learn how to remove a tick.