Colorado tick fever


Col·​o·​ra·​do tick fever ˌkäl-ə-ˈrad-(ˌ)ō-, -ˈräd- How to pronounce Colorado tick fever (audio)
: a mild disease of the western United States and western Canada that is characterized by intermittent fever, malaise, headaches, myalgia, and the absence of a rash and is caused by a reovirus (species Colorado tick fever virus of the genus Coltivirus) transmitted by the Rocky Mountain wood tick
Colorado tick fever is caused by a virus that replicates in blood-forming stem cells, prompting blood count to drop.Daniel C. Weaver, Discover

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Cite this Entry

“Colorado tick fever.” Medical Dictionary, Merriam-Webster, Accessed 22 May. 2024.

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