Colorado Tick Fever

Paul G. Auwaerter, M.D.

MICROBIOLOGY

  • Colorado tick fever virus (CTFV) is caused by the genus Colitivirus (Spinareoviridae), a segmented RNA virus transmitted by ticks (Dermacentor andersoni, the Rocky Mountain wood tick--the only confirmed vector of CTFV).
    • Viruses are maintained in rodent hosts such as ground squirrels and chipmunks.

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