The Ecology of Colorado Tick Fever in Rocky Mountain National Park in 1974

I. Objectives, Study Design, and Summary of Principal Findings

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  • Vector-Borne Diseases Division, Bureau of Laboratories, Center for Diseases Control, Public Health Service, U.S. Department of Health, Education, and Welfare, Fort Collins, Colorado 80522
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The ecology of Colorado tick fever (CTF) was investigated in the Rocky Mountain National Park in 1974. Study sites and sampling methods were selected for measuring the effect of various ecological parameters on CTF virus activity. The important rodent and tick species for CTF maintenance, and the habitats that support the hosts, vectors, and the virus were identified.