Rocky Mountain Spotted Fever – The “Tick” disease
an acute infectious disease of high mortality, characterized by frontal and occipital headache, intense lumbar pain, malaise, a moderately high continuous fever, and a rash on wrists, palms, ankles, and soles from the second to the fifth day, later spreading to all parts of the body; it occursin the spring of the year primarily in the southeastern united states and the Rocky Mountain region, although it is endemic elsewhere in the united states, in parts of Canada, in Mexico, and in South America; the pathogenic organism is Rickettsia rickettsii, transmitted by two or more tick species of the genus Dermacentor; in the united states it is spread by D. andersoni in the western states and D. variabilis (a dog tick) in the eastern states. SYN “black fever,” “black measles,” “blue disease,” “blue fever,” “Mexican spotted fever,” “Sao Paulo fever,” “Tobia fever.”
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