Abbreviation:<unk> 
Also called mountain<unk>  fever, American<unk>  fever
Caused by RNA virus of genus Coltivirus in family Reoviridae
Principal vector is Rocky Mountain wood<unk>  (Dermacentor andersoni)
Principal zoonotic reservoirs include deer, marmots, porcupines
Endemic in western mountainous regions of the U.S. and Canada (e.g.<unk> , Idaho)
Develops March to September, most cases occur in April, May, June
Colorado tick fever
Babesiosis
Scabies
Rat bite fever
Ehrlichiosis
Heartland virus
Chikungunya
Lyme