Stephen J. Schueler, M.D.

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Colorado Tick Fever Underlying Cause

Colorado tick fever is caused by a type of virus, called Orbivirus, which is transmitted to humans by the bite of a tick. Symptoms typically begin to develop 4 days following the tick bite, but may be as long as 20 days.

Cases have been reported in California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming, British Columbia and Alberta.

Continue to Colorado Tick Fever Transmission

Last Updated: Dec 8, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Colorado Tick Fever References
  1. Bratton RL, Corey R. Tick-borne disease. Am Fam Physician. 2005 Jun 15;71(12):2323-30. [15999870]
  2. Klasco R. Colorado tick fever. Med Clin North Am. 2002 Mar;86(2):435-40, ix. [11982311]
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