Rocky Mountain Spotted Fever Pictures : Tick : Scanning EM 1

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Scanning EM picture of dog tick (carrier of Rocky mountain spotted fever)

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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