Colorado tick fever is an
Mountain tick fever; Mountain fever; American mountain fever
Causes, incidence, and risk factors
This disease is usually seen between March and September. Most cases occur in April, May, and June.
Risk factors are recent outdoor activity and recent
Colorado tick fever is seen most often in Colorado. Up to 15% of campers have been exposed to the virus that causes the disease. The disease is much less common in the rest of the United States.