Rocky Mountain spotted fever
Rocky Mountain spotted fever
nounDefinition of ROCKY MOUNTAIN SPOTTED FEVER
: an acute disease that is characterized by chills, fever, prostration, pains in muscles and joints, and a red to purple eruption and that is caused by a rickettsia (Rickettsia rickettsii) usually transmitted by an ixodid tick and especially either the American dog tick or a wood tick (Dermacentor andersoni)
See First Known Use of ROCKY MOUNTAIN SPOTTED FEVER
1905
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