Ticks and Health in Boulder County
Ticks can cause illness. In Colorado, they can transmit:
- Colorado Tick Fever
- Tularemia
- Tick-borne Relapsing Fever
- Rocky Mountain Spotted Fever
Ticks known to transmit Lyme disease are not known to be present in Colorado
The most common ticks in Colorado are:
- Rocky Mountain wood tick
- Brown dog tick
- American dog tick
Ticks feed on the blood of an animal or human as part of their life cycle and then drop off when they have fed enough. They can survive for several years without feeding. Ticks are attracted to the carbon dioxide exhaled by animals and humans.