You are in Medical Library . An acute viral infection transmitted by the bite of the tick Dermacentor andersoni. The disease is limited to the western U.S. and is most prevalent during March to August, the tick season. The incubation period is 3 to 6 days. Symptoms of fever continue for 3 days, then abate and recur 1 to 3 days later for another few days.
Risk factors are recent outdoor activity and recent tick bite .
The incidence is 4 out of 100,000 people. Colorado tick fever CBC shows low white blood cell count Treatment Make sure the tick is fully removed from the skin. If complications develop, treatment will be aimed at controlling the symptoms. The disease is usually self-limiting and not dangerous. There is a risk for aseptic meningitis , encephalitis , and hemorrhagic fever.