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Enferm Infecc Microbiol Clin. 2005 Jun-Jul;23(6):375-80.

[Ehrlichiosis and human anaplasmosis].

[Article in Spanish]

Author information

1
Area de Enfermedades Infecciosas, Complejo Hospitalario San Millán-San Pedro-De La Rioja, Logroño, España. jaoteo@hgr.seris.es

Abstract

Human ehrlichiosis and anaplasmosis are acute febrile tick-borne diseases caused by various species of the genera Ehrlichia and Anaplasma (Anaplasmataceae). To date, only cases of human granulocytic anaplasmosis (HGA) caused by Anaplasma phagocytophilum (formerly human granulocytic Ehrlichia, Ehrlichia phagocytophila, and E. equi) have been diagnosed in Europe. HGA and Lyme borreliosis are closely related diseases that share vector and reservoirs. In addition to HGA, human monocytic ehrlichiosis caused by E. chaffeensis has been reported in North America, as well as cases of infection due to E. ewingii in immunocompromised hosts. Ehrlichia spp. and A. phagocytophilum have tropism for blood cells, especially leukocytes and platelets, causing a considerable decrease of both components in these patients. HGA should be suspected in tick-bitten patients or those who have visited an endemic area and show symptoms of flu-like fever, leukopenia and thrombocytopenia.

PMID:
15970171
[Indexed for MEDLINE]

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