Colorado tick fever pathophysiology

Rocky Mountain spotted fever Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ilan Dock, B.S.

Transmission

• Infection with Colorado tick fever occurs as a result of being bitten by an infected Rocky Mountain wood tick (Dermacentor andersoni).
• Colorado tick fever is transmitted to a tick during a blood meal involving a rodent reservoir such as a squirrels, chipmunks, and mice.
• Infection perpetuates as a tick continues to feed on another host.
• Viral transmission from human to human is rare, however may occur during blood transfusion.

The Colorado tick fever life cycle.