Human infections typically occur when camping in rustic cabins inhabited by infected rodents. Rare, much more common in some areas along the Atlantic coast. About 3 cases per year, on average, are reported in Colorado. Historically, most cases have occurred in northwestern Colorado. A characteristic rash develops, starting on the wrists and ankles and later spreading to the rest of the body, including palms and the soles of feet.
High fever is associated with infections.
Rocky Mountain wood tick, American dog tick. Tick paralysis Rare. Occurs when certain ticks remain attached for a long period. This condition is completely reversible when the tick is removed. Rocky Mountain wood tick.