Ehrlichiosis | Overview

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What is ehrlichiosis?

Ehrlichiosis (say err-lick-ee-o-sis) is a bacterial infection you can get from ticks. The ticks that spread ehrlichiosis are the Lone Star tick, the deer tick and the dog tick.

It has been known for many years that dogs, cattle and other animals can get ehrlichiosis. Now it's known that ehrlichiosis can occur in humans as well. This infection was first found in humans in the mid-1980s.

Is ehrlichiosis found all over the United States?

Ehrlichiosis can occur in almost any area of the United States (especially in the southeastern and south central areas of the country), as well as in many foreign countries.

Written by familydoctor.org editorial staff

Reviewed/Updated: 02/14
Created: 11/96

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