Synonyms: Mountain tick fever; Mountain fever; American mountain fever
Colorado tick fever is an acute viral infection transmitted by the bite of the wood tick, Dermacentor andersoni.1 The disease occurs almost exclusively in the western United States and Canada and is most prevalent from March to September.2 The causative organism, Coltivirus, is an RNA virus and a member of the Reovirus family.
This is a companion discussion topic for the original article at https://patient.info/doctor/colorado-tick-fever