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Ehrlichiosis

Ehrlichiosis is the general name used to describe several bacterial diseases that affect animals and humans. These diseases are caused by the organisms in the genus Ehrlichia. In the United States, there are currently two ehrlichial species that are known to cause disease in humans: Ehrlichia chaffeensis and Ehrlichia ewingii. Ehrlichia chaffeensis causes human ehrlishiosis also described as human monocytic ehrlichiosis (HME). In addition, human infections with Ehrlichia ewingii have also been documented.

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