Colorado Tick Fever Virus

Colorado tick fever is a viral infection transmitted through a bite from an infected Dermacentor andersoni wood tick. This tick species is more commonly referred to as the Rocky Mountain wood tick which is found in the western United States. It usually lives in wooded areas located above 5,000 feet in elevation.

Colorado tick fever (CTF) virus is an RNA virus that belongs to the genus ColtivirusSymptoms of Colorado tick fever may include headaches, fever, and chills. These symptoms often begin within three to six days after a tick bite occurs. This period of time is referred to as the incubation period. Once symptoms develop, they usually go away within 10 days. Treatment is rarely required, and most people make a full recovery without complications.

Colorado tick fever is sometimes referred to as mountain tick fever or American mountain fever.

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For further information we refer you to:

CDC’s Colorado Tick Fever virus web page


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