Erich disease

Ehrlichia is an absolute intracellular parasite, a species of Rickettsia-like pathogen, that forms small cytoplasmic inclusions in lymphocytes and neutrophils. It is a fever caused by ticks or dogs carrying ticks. In the United States, most cases are found in the Southeast and Central South regions. There are currently more than 10 species of Ehrlichia. E.canis, E.phagocytophilia, E.chaffeenis, and E.risticii are the main causes of human disease. There are two types of Ehrlichia that are pathogenic to humans in the United States: E. chaffeenis causes human mononuclear Ehrlichiosis and E. phagocytophilia and its related pathogens cause human granulocytic Ehrlichiosis. E.canis is currently thought to cause human mononuclear Ehrlich disease.

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