Return to Rocky Mountain Spotted Fever Pictures from CDC | Hardin MD : Rocky Mountain Spotted Fever (Many more pictures)
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Dorsal view of an American Dog Tick, Dermacentor variabilis, magnified 21x. Ticks are of the class Arachnida, as are spiders and mites. D. variabilis is a known carrier of Rocky Mountain Spotted Fever caused by the bacterium Rickettsia rickettsii. Photo Credit: Janice Carr Picture & text from CDC/PHIL. For more information see Rocky Mountain Spotted Fever Pictures from CDC |
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